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<title>Uses of Class org.apache.mahout.cf.taste.common.TasteException (Mahout Map-Reduce 0.13.0 API)</title>
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<h2 title="Uses of Class org.apache.mahout.cf.taste.common.TasteException" class="title">Uses of Class<br>org.apache.mahout.cf.taste.common.TasteException</h2>
</div>
<div class="classUseContainer">
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<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation">
<caption><span>Packages that use <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.common">org.apache.mahout.cf.taste.common</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.eval">org.apache.mahout.cf.taste.eval</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.common">org.apache.mahout.cf.taste.impl.common</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.common.jdbc">org.apache.mahout.cf.taste.impl.common.jdbc</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.eval">org.apache.mahout.cf.taste.impl.eval</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.model">org.apache.mahout.cf.taste.impl.model</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.model.file">org.apache.mahout.cf.taste.impl.model.file</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.neighborhood">org.apache.mahout.cf.taste.impl.neighborhood</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.recommender">org.apache.mahout.cf.taste.impl.recommender</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.recommender.svd">org.apache.mahout.cf.taste.impl.recommender.svd</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.similarity">org.apache.mahout.cf.taste.impl.similarity</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.similarity.file">org.apache.mahout.cf.taste.impl.similarity.file</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.model">org.apache.mahout.cf.taste.model</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.neighborhood">org.apache.mahout.cf.taste.neighborhood</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.recommender">org.apache.mahout.cf.taste.recommender</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.mahout.cf.taste.similarity">org.apache.mahout.cf.taste.similarity</a></td>
<td class="colLast">&nbsp;</td>
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<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/common/package-summary.html">org.apache.mahout.cf.taste.common</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing subclasses, and an explanation">
<caption><span>Subclasses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/common/package-summary.html">org.apache.mahout.cf.taste.common</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/common/NoSuchItemException.html" title="class in org.apache.mahout.cf.taste.common">NoSuchItemException</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/common/NoSuchUserException.html" title="class in org.apache.mahout.cf.taste.common">NoSuchUserException</a></span></code>&nbsp;</td>
</tr>
</tbody>
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<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/eval/package-summary.html">org.apache.mahout.cf.taste.eval</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/eval/package-summary.html">org.apache.mahout.cf.taste.eval</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html" title="interface in org.apache.mahout.cf.taste.recommender">Recommender</a></code></td>
<td class="colLast"><span class="typeNameLabel">RecommenderBuilder.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/eval/RecommenderBuilder.html#buildRecommender-org.apache.mahout.cf.taste.model.DataModel-">buildRecommender</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block">
Builds a <a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html" title="interface in org.apache.mahout.cf.taste.recommender"><code>Recommender</code></a> implementation to be evaluated, using the given <a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model"><code>DataModel</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">RecommenderEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/eval/RecommenderEvaluator.html#evaluate-org.apache.mahout.cf.taste.eval.RecommenderBuilder-org.apache.mahout.cf.taste.eval.DataModelBuilder-org.apache.mahout.cf.taste.model.DataModel-double-double-">evaluate</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/eval/RecommenderBuilder.html" title="interface in org.apache.mahout.cf.taste.eval">RecommenderBuilder</a>&nbsp;recommenderBuilder,
<a href="../../../../../../../org/apache/mahout/cf/taste/eval/DataModelBuilder.html" title="interface in org.apache.mahout.cf.taste.eval">DataModelBuilder</a>&nbsp;dataModelBuilder,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
double&nbsp;trainingPercentage,
double&nbsp;evaluationPercentage)</code>
<div class="block">
Evaluates the quality of a <a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html" title="interface in org.apache.mahout.cf.taste.recommender"><code>Recommender</code></a>'s recommendations.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/eval/IRStatistics.html" title="interface in org.apache.mahout.cf.taste.eval">IRStatistics</a></code></td>
<td class="colLast"><span class="typeNameLabel">RecommenderIRStatsEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/eval/RecommenderIRStatsEvaluator.html#evaluate-org.apache.mahout.cf.taste.eval.RecommenderBuilder-org.apache.mahout.cf.taste.eval.DataModelBuilder-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.recommender.IDRescorer-int-double-double-">evaluate</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/eval/RecommenderBuilder.html" title="interface in org.apache.mahout.cf.taste.eval">RecommenderBuilder</a>&nbsp;recommenderBuilder,
<a href="../../../../../../../org/apache/mahout/cf/taste/eval/DataModelBuilder.html" title="interface in org.apache.mahout.cf.taste.eval">DataModelBuilder</a>&nbsp;dataModelBuilder,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
int&nbsp;at,
double&nbsp;relevanceThreshold,
double&nbsp;evaluationPercentage)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">RelevantItemsDataSplitter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/eval/RelevantItemsDataSplitter.html#getRelevantItemsIDs-long-int-double-org.apache.mahout.cf.taste.model.DataModel-">getRelevantItemsIDs</a></span>(long&nbsp;userID,
int&nbsp;at,
double&nbsp;relevanceThreshold,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block">During testing, relevant items are removed from a particular users' preferences,
and a model is build using this user's other preferences and all other users.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">RelevantItemsDataSplitter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/eval/RelevantItemsDataSplitter.html#processOtherUser-long-org.apache.mahout.cf.taste.impl.common.FastIDSet-org.apache.mahout.cf.taste.impl.common.FastByIDMap-long-org.apache.mahout.cf.taste.model.DataModel-">processOtherUser</a></span>(long&nbsp;userID,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a>&nbsp;relevantItemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastByIDMap.html" title="class in org.apache.mahout.cf.taste.impl.common">FastByIDMap</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a>&gt;&nbsp;trainingUsers,
long&nbsp;otherUserID,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block">Adds a single user and all their preferences to the training model.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.common">
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</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/package-summary.html">org.apache.mahout.cf.taste.impl.common</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/package-summary.html">org.apache.mahout.cf.taste.impl.common</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/Cache.html" title="type parameter in Cache">V</a></code></td>
<td class="colLast"><span class="typeNameLabel">Cache.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/Cache.html#get-K-">get</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/Cache.html" title="type parameter in Cache">K</a>&nbsp;key)</code>
<div class="block">
Returns cached value for a key.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/Retriever.html" title="type parameter in Retriever">V</a></code></td>
<td class="colLast"><span class="typeNameLabel">Retriever.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/Retriever.html#get-K-">get</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/Retriever.html" title="type parameter in Retriever">K</a>&nbsp;key)</code>&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.common.jdbc">
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<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/jdbc/package-summary.html">org.apache.mahout.cf.taste.impl.common.jdbc</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/jdbc/package-summary.html">org.apache.mahout.cf.taste.impl.common.jdbc</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql">DataSource</a></code></td>
<td class="colLast"><span class="typeNameLabel">AbstractJDBCComponent.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/jdbc/AbstractJDBCComponent.html#lookupDataSource-java.lang.String-">lookupDataSource</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dataSourceName)</code>
<div class="block">
Looks up a <a href="http://docs.oracle.com/javase/7/docs/api/javax/sql/DataSource.html?is-external=true" title="class or interface in javax.sql"><code>DataSource</code></a> by name from JNDI.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.eval">
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</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/package-summary.html">org.apache.mahout.cf.taste.impl.eval</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/package-summary.html">org.apache.mahout.cf.taste.impl.eval</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a></code></td>
<td class="colLast"><span class="typeNameLabel">AbstractDifferenceRecommenderEvaluator.PreferenceEstimateCallable.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/AbstractDifferenceRecommenderEvaluator.PreferenceEstimateCallable.html#call--">call</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><span class="typeNameLabel">OrderBasedRecommenderEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/OrderBasedRecommenderEvaluator.html#evaluate-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.model.DataModel-int-org.apache.mahout.cf.taste.impl.common.RunningAverage-java.lang.String-">evaluate</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;model1,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;model2,
int&nbsp;samples,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/RunningAverage.html" title="interface in org.apache.mahout.cf.taste.impl.common">RunningAverage</a>&nbsp;tracker,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractDifferenceRecommenderEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/AbstractDifferenceRecommenderEvaluator.html#evaluate-org.apache.mahout.cf.taste.eval.RecommenderBuilder-org.apache.mahout.cf.taste.eval.DataModelBuilder-org.apache.mahout.cf.taste.model.DataModel-double-double-">evaluate</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/eval/RecommenderBuilder.html" title="interface in org.apache.mahout.cf.taste.eval">RecommenderBuilder</a>&nbsp;recommenderBuilder,
<a href="../../../../../../../org/apache/mahout/cf/taste/eval/DataModelBuilder.html" title="interface in org.apache.mahout.cf.taste.eval">DataModelBuilder</a>&nbsp;dataModelBuilder,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
double&nbsp;trainingPercentage,
double&nbsp;evaluationPercentage)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/eval/IRStatistics.html" title="interface in org.apache.mahout.cf.taste.eval">IRStatistics</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericRecommenderIRStatsEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/GenericRecommenderIRStatsEvaluator.html#evaluate-org.apache.mahout.cf.taste.eval.RecommenderBuilder-org.apache.mahout.cf.taste.eval.DataModelBuilder-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.recommender.IDRescorer-int-double-double-">evaluate</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/eval/RecommenderBuilder.html" title="interface in org.apache.mahout.cf.taste.eval">RecommenderBuilder</a>&nbsp;recommenderBuilder,
<a href="../../../../../../../org/apache/mahout/cf/taste/eval/DataModelBuilder.html" title="interface in org.apache.mahout.cf.taste.eval">DataModelBuilder</a>&nbsp;dataModelBuilder,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
int&nbsp;at,
double&nbsp;relevanceThreshold,
double&nbsp;evaluationPercentage)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><span class="typeNameLabel">OrderBasedRecommenderEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/OrderBasedRecommenderEvaluator.html#evaluate-org.apache.mahout.cf.taste.recommender.Recommender-org.apache.mahout.cf.taste.model.DataModel-int-org.apache.mahout.cf.taste.impl.common.RunningAverage-java.lang.String-">evaluate</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html" title="interface in org.apache.mahout.cf.taste.recommender">Recommender</a>&nbsp;recommender,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;model,
int&nbsp;samples,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/RunningAverage.html" title="interface in org.apache.mahout.cf.taste.impl.common">RunningAverage</a>&nbsp;tracker,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><span class="typeNameLabel">OrderBasedRecommenderEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/OrderBasedRecommenderEvaluator.html#evaluate-org.apache.mahout.cf.taste.recommender.Recommender-org.apache.mahout.cf.taste.recommender.Recommender-int-org.apache.mahout.cf.taste.impl.common.RunningAverage-java.lang.String-">evaluate</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html" title="interface in org.apache.mahout.cf.taste.recommender">Recommender</a>&nbsp;recommender1,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html" title="interface in org.apache.mahout.cf.taste.recommender">Recommender</a>&nbsp;recommender2,
int&nbsp;samples,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/RunningAverage.html" title="interface in org.apache.mahout.cf.taste.impl.common">RunningAverage</a>&nbsp;tracker,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;tag)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static void</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractDifferenceRecommenderEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/AbstractDifferenceRecommenderEvaluator.html#execute-java.util.Collection-java.util.concurrent.atomic.AtomicInteger-org.apache.mahout.cf.taste.impl.common.RunningAverageAndStdDev-">execute</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Callable.html?is-external=true" title="class or interface in java.util.concurrent">Callable</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&gt;&gt;&nbsp;callables,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a>&nbsp;noEstimateCounter,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/RunningAverageAndStdDev.html" title="interface in org.apache.mahout.cf.taste.impl.common">RunningAverageAndStdDev</a>&nbsp;timing)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericRelevantItemsDataSplitter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/GenericRelevantItemsDataSplitter.html#getRelevantItemsIDs-long-int-double-org.apache.mahout.cf.taste.model.DataModel-">getRelevantItemsIDs</a></span>(long&nbsp;userID,
int&nbsp;at,
double&nbsp;relevanceThreshold,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">GenericRelevantItemsDataSplitter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/GenericRelevantItemsDataSplitter.html#processOtherUser-long-org.apache.mahout.cf.taste.impl.common.FastIDSet-org.apache.mahout.cf.taste.impl.common.FastByIDMap-long-org.apache.mahout.cf.taste.model.DataModel-">processOtherUser</a></span>(long&nbsp;userID,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a>&nbsp;relevantItemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastByIDMap.html" title="class in org.apache.mahout.cf.taste.impl.common">FastByIDMap</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a>&gt;&nbsp;trainingUsers,
long&nbsp;otherUserID,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/LoadStatistics.html" title="class in org.apache.mahout.cf.taste.impl.eval">LoadStatistics</a></code></td>
<td class="colLast"><span class="typeNameLabel">LoadEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/LoadEvaluator.html#runLoad-org.apache.mahout.cf.taste.recommender.Recommender-">runLoad</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html" title="interface in org.apache.mahout.cf.taste.recommender">Recommender</a>&nbsp;recommender)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/LoadStatistics.html" title="class in org.apache.mahout.cf.taste.impl.eval">LoadStatistics</a></code></td>
<td class="colLast"><span class="typeNameLabel">LoadEvaluator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/eval/LoadEvaluator.html#runLoad-org.apache.mahout.cf.taste.recommender.Recommender-int-">runLoad</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html" title="interface in org.apache.mahout.cf.taste.recommender">Recommender</a>&nbsp;recommender,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.model">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/package-summary.html">org.apache.mahout.cf.taste.impl.model</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/package-summary.html">org.apache.mahout.cf.taste.impl.model</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/LongPrimitiveIterator.html" title="interface in org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getItemIDs--">getItemIDs</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getItemIDsFromUser-long-">getItemIDsFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericDataModel.html#getItemIDsFromUser-long-">getItemIDsFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#getItemIDsFromUser-long-">getItemIDsFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericBooleanPrefDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericBooleanPrefDataModel.html#getItemIDsFromUser-long-">getItemIDsFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getNumItems--">getNumItems</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getNumUsers--">getNumUsers</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#getNumUsers--">getNumUsers</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getNumUsersWithPreferenceFor-long-">getNumUsersWithPreferenceFor</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#getNumUsersWithPreferenceFor-long-">getNumUsersWithPreferenceFor</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getNumUsersWithPreferenceFor-long-long-">getNumUsersWithPreferenceFor</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#getNumUsersWithPreferenceFor-long-long-">getNumUsersWithPreferenceFor</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getPreferencesForItem-long-">getPreferencesForItem</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#getPreferencesForItem-long-">getPreferencesForItem</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getPreferencesFromUser-long-">getPreferencesFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#getPreferencesFromUser-long-">getPreferencesFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getPreferenceTime-long-long-">getPreferenceTime</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericDataModel.html#getPreferenceTime-long-long-">getPreferenceTime</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#getPreferenceTime-long-long-">getPreferenceTime</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericBooleanPrefDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericBooleanPrefDataModel.html#getPreferenceTime-long-long-">getPreferenceTime</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getPreferenceValue-long-long-">getPreferenceValue</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericDataModel.html#getPreferenceValue-long-long-">getPreferenceValue</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#getPreferenceValue-long-long-">getPreferenceValue</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/LongPrimitiveIterator.html" title="interface in org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#getUserIDs--">getUserIDs</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/LongPrimitiveIterator.html" title="interface in org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a></code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#getUserIDs--">getUserIDs</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractJDBCIDMigrator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/AbstractJDBCIDMigrator.html#initialize-java.lang.Iterable-">initialize</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;stringIDs)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#removePreference-long-long-">removePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#removePreference-long-long-">removePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousUserDataModel.html#setPreference-long-long-float-">setPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID,
float&nbsp;value)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">PlusAnonymousConcurrentUserDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/PlusAnonymousConcurrentUserDataModel.html#setPreference-long-long-float-">setPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID,
float&nbsp;value)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractJDBCIDMigrator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/AbstractJDBCIDMigrator.html#storeMapping-long-java.lang.String-">storeMapping</a></span>(long&nbsp;longID,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stringID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastByIDMap.html" title="class in org.apache.mahout.cf.taste.impl.common">FastByIDMap</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericDataModel.html#toDataMap-org.apache.mahout.cf.taste.model.DataModel-">toDataMap</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block">Exports the simple user IDs and preferences in the data model.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastByIDMap.html" title="class in org.apache.mahout.cf.taste.impl.common">FastByIDMap</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericBooleanPrefDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericBooleanPrefDataModel.html#toDataMap-org.apache.mahout.cf.taste.model.DataModel-">toDataMap</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block">Exports the simple user IDs and associated item IDs in the data model.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><span class="typeNameLabel">AbstractJDBCIDMigrator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/AbstractJDBCIDMigrator.html#toStringID-long-">toStringID</a></span>(long&nbsp;longID)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructors in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/package-summary.html">org.apache.mahout.cf.taste.impl.model</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericBooleanPrefDataModel.html#GenericBooleanPrefDataModel-org.apache.mahout.cf.taste.model.DataModel-">GenericBooleanPrefDataModel</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">without direct replacement.
Consider <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericBooleanPrefDataModel.html#toDataMap-org.apache.mahout.cf.taste.model.DataModel-"><code>GenericBooleanPrefDataModel.toDataMap(DataModel)</code></a> with <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericBooleanPrefDataModel.html#GenericBooleanPrefDataModel-org.apache.mahout.cf.taste.impl.common.FastByIDMap-"><code>GenericBooleanPrefDataModel.GenericBooleanPrefDataModel(FastByIDMap)</code></a></span></div>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericDataModel.html#GenericDataModel-org.apache.mahout.cf.taste.model.DataModel-">GenericDataModel</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">without direct replacement.
Consider <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericDataModel.html#toDataMap-org.apache.mahout.cf.taste.model.DataModel-"><code>GenericDataModel.toDataMap(DataModel)</code></a> with <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/GenericDataModel.html#GenericDataModel-org.apache.mahout.cf.taste.impl.common.FastByIDMap-"><code>GenericDataModel.GenericDataModel(FastByIDMap)</code></a></span></div>
</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.model.file">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/package-summary.html">org.apache.mahout.cf.taste.impl.model.file</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/package-summary.html">org.apache.mahout.cf.taste.impl.model.file</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/LongPrimitiveIterator.html" title="interface in org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a></code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getItemIDs--">getItemIDs</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getItemIDsFromUser-long-">getItemIDsFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getNumItems--">getNumItems</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getNumUsers--">getNumUsers</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getNumUsersWithPreferenceFor-long-">getNumUsersWithPreferenceFor</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getNumUsersWithPreferenceFor-long-long-">getNumUsersWithPreferenceFor</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a></code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getPreferencesForItem-long-">getPreferencesForItem</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a></code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getPreferencesFromUser-long-">getPreferencesFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a></code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getPreferenceTime-long-long-">getPreferenceTime</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a></code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getPreferenceValue-long-long-">getPreferenceValue</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/LongPrimitiveIterator.html" title="interface in org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a></code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#getUserIDs--">getUserIDs</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#removePreference-long-long-">removePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>
<div class="block">See the warning at <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#setPreference-long-long-float-"><code>FileDataModel.setPreference(long, long, float)</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">FileDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html#setPreference-long-long-float-">setPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID,
float&nbsp;value)</code>
<div class="block">Note that this method only updates the in-memory preference data that this <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html" title="class in org.apache.mahout.cf.taste.impl.model.file"><code>FileDataModel</code></a>
maintains; it does not modify any data on disk.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.neighborhood">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/package-summary.html">org.apache.mahout.cf.taste.impl.neighborhood</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/package-summary.html">org.apache.mahout.cf.taste.impl.neighborhood</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">CachingUserNeighborhood.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/CachingUserNeighborhood.html#getUserNeighborhood-long-">getUserNeighborhood</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">ThresholdUserNeighborhood.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/ThresholdUserNeighborhood.html#getUserNeighborhood-long-">getUserNeighborhood</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">NearestNUserNeighborhood.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/NearestNUserNeighborhood.html#getUserNeighborhood-long-">getUserNeighborhood</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructors in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/package-summary.html">org.apache.mahout.cf.taste.impl.neighborhood</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/CachingUserNeighborhood.html#CachingUserNeighborhood-org.apache.mahout.cf.taste.neighborhood.UserNeighborhood-org.apache.mahout.cf.taste.model.DataModel-">CachingUserNeighborhood</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/neighborhood/UserNeighborhood.html" title="interface in org.apache.mahout.cf.taste.neighborhood">UserNeighborhood</a>&nbsp;neighborhood,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/NearestNUserNeighborhood.html#NearestNUserNeighborhood-int-double-org.apache.mahout.cf.taste.similarity.UserSimilarity-org.apache.mahout.cf.taste.model.DataModel-">NearestNUserNeighborhood</a></span>(int&nbsp;n,
double&nbsp;minSimilarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/similarity/UserSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity">UserSimilarity</a>&nbsp;userSimilarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/NearestNUserNeighborhood.html#NearestNUserNeighborhood-int-double-org.apache.mahout.cf.taste.similarity.UserSimilarity-org.apache.mahout.cf.taste.model.DataModel-double-">NearestNUserNeighborhood</a></span>(int&nbsp;n,
double&nbsp;minSimilarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/similarity/UserSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity">UserSimilarity</a>&nbsp;userSimilarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
double&nbsp;samplingRate)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/neighborhood/NearestNUserNeighborhood.html#NearestNUserNeighborhood-int-org.apache.mahout.cf.taste.similarity.UserSimilarity-org.apache.mahout.cf.taste.model.DataModel-">NearestNUserNeighborhood</a></span>(int&nbsp;n,
<a href="../../../../../../../org/apache/mahout/cf/taste/similarity/UserSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity">UserSimilarity</a>&nbsp;userSimilarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.recommender">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/package-summary.html">org.apache.mahout.cf.taste.impl.recommender</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/package-summary.html">org.apache.mahout.cf.taste.impl.recommender</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>protected float</code></td>
<td class="colLast"><span class="typeNameLabel">GenericUserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericUserBasedRecommender.html#doEstimatePreference-long-long:A-long-">doEstimatePreference</a></span>(long&nbsp;theUserID,
long[]&nbsp;theNeighborhood,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected float</code></td>
<td class="colLast"><span class="typeNameLabel">GenericBooleanPrefUserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericBooleanPrefUserBasedRecommender.html#doEstimatePreference-long-long:A-long-">doEstimatePreference</a></span>(long&nbsp;theUserID,
long[]&nbsp;theNeighborhood,
long&nbsp;itemID)</code>
<div class="block">This computation is in a technical sense, wrong, since in the domain of "boolean preference users" where
all preference values are 1, this method should only ever return 1.0 or NaN.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected float</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#doEstimatePreference-long-org.apache.mahout.cf.taste.model.PreferenceArray-long-">doEstimatePreference</a></span>(long&nbsp;userID,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a>&nbsp;preferencesFromUser,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected float</code></td>
<td class="colLast"><span class="typeNameLabel">GenericBooleanPrefItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericBooleanPrefItemBasedRecommender.html#doEstimatePreference-long-org.apache.mahout.cf.taste.model.PreferenceArray-long-">doEstimatePreference</a></span>(long&nbsp;userID,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a>&nbsp;preferencesFromUser,
long&nbsp;itemID)</code>
<div class="block">This computation is in a technical sense, wrong, since in the domain of "boolean preference users" where
all preference values are 1, this method should only ever return 1.0 or NaN.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">AbstractCandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractCandidateItemsStrategy.html#doGetCandidateItems-long:A-org.apache.mahout.cf.taste.model.DataModel-">doGetCandidateItems</a></span>(long[]&nbsp;preferredItemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">SamplingCandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/SamplingCandidateItemsStrategy.html#doGetCandidateItems-long:A-org.apache.mahout.cf.taste.model.DataModel-boolean-">doGetCandidateItems</a></span>(long[]&nbsp;preferredItemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">AllUnknownItemsCandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AllUnknownItemsCandidateItemsStrategy.html#doGetCandidateItems-long:A-org.apache.mahout.cf.taste.model.DataModel-boolean-">doGetCandidateItems</a></span>(long[]&nbsp;preferredItemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
boolean&nbsp;includeKnownItems)</code>
<div class="block">return all items the user has not yet seen</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">AllSimilarItemsCandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AllSimilarItemsCandidateItemsStrategy.html#doGetCandidateItems-long:A-org.apache.mahout.cf.taste.model.DataModel-boolean-">doGetCandidateItems</a></span>(long[]&nbsp;preferredItemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected abstract <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">AbstractCandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractCandidateItemsStrategy.html#doGetCandidateItems-long:A-org.apache.mahout.cf.taste.model.DataModel-boolean-">doGetCandidateItems</a></span>(long[]&nbsp;preferredItemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">PreferredItemsNeighborhoodCandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/PreferredItemsNeighborhoodCandidateItemsStrategy.html#doGetCandidateItems-long:A-org.apache.mahout.cf.taste.model.DataModel-boolean-">doGetCandidateItems</a></span>(long[]&nbsp;preferredItemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
boolean&nbsp;includeKnownItems)</code>
<div class="block">returns all items that have not been rated by the user and that were preferred by another user
that has preferred at least one item that the current user has preferred too</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.MostSimilarEstimator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.MostSimilarEstimator.html#estimate-java.lang.Long-">estimate</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">TopItems.Estimator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/TopItems.Estimator.html#estimate-T-">estimate</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/TopItems.Estimator.html" title="type parameter in TopItems.Estimator">T</a>&nbsp;thing)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><span class="typeNameLabel">GenericUserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericUserBasedRecommender.html#estimatePreference-long-long-">estimatePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#estimatePreference-long-long-">estimatePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><span class="typeNameLabel">CachingRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/CachingRecommender.html#estimatePreference-long-long-">estimatePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><span class="typeNameLabel">ItemAverageRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemAverageRecommender.html#estimatePreference-long-long-">estimatePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><span class="typeNameLabel">ItemUserAverageRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemUserAverageRecommender.html#estimatePreference-long-long-">estimatePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericUserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericUserBasedRecommender.html#getAllOtherItems-long:A-long-boolean-">getAllOtherItems</a></span>(long[]&nbsp;theNeighborhood,
long&nbsp;theUserID,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">GenericBooleanPrefUserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericBooleanPrefUserBasedRecommender.html#getAllOtherItems-long:A-long-boolean-">getAllOtherItems</a></span>(long[]&nbsp;theNeighborhood,
long&nbsp;theUserID,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">AbstractRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractRecommender.html#getAllOtherItems-long-org.apache.mahout.cf.taste.model.PreferenceArray-boolean-">getAllOtherItems</a></span>(long&nbsp;userID,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a>&nbsp;preferencesFromUser,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">AbstractCandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractCandidateItemsStrategy.html#getCandidateItems-long:A-org.apache.mahout.cf.taste.model.DataModel-">getCandidateItems</a></span>(long[]&nbsp;itemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">AbstractCandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractCandidateItemsStrategy.html#getCandidateItems-long-org.apache.mahout.cf.taste.model.PreferenceArray-org.apache.mahout.cf.taste.model.DataModel-boolean-">getCandidateItems</a></span>(long&nbsp;userID,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a>&nbsp;preferencesFromUser,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">TopItems.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/TopItems.html#getTopItems-int-org.apache.mahout.cf.taste.impl.common.LongPrimitiveIterator-org.apache.mahout.cf.taste.recommender.IDRescorer-org.apache.mahout.cf.taste.impl.recommender.TopItems.Estimator-">getTopItems</a></span>(int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/LongPrimitiveIterator.html" title="interface in org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a>&nbsp;possibleItemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/TopItems.Estimator.html" title="interface in org.apache.mahout.cf.taste.impl.recommender">TopItems.Estimator</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt;&nbsp;estimator)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static long[]</code></td>
<td class="colLast"><span class="typeNameLabel">TopItems.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/TopItems.html#getTopUsers-int-org.apache.mahout.cf.taste.impl.common.LongPrimitiveIterator-org.apache.mahout.cf.taste.recommender.IDRescorer-org.apache.mahout.cf.taste.impl.recommender.TopItems.Estimator-">getTopUsers</a></span>(int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/LongPrimitiveIterator.html" title="interface in org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a>&nbsp;allUserIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/TopItems.Estimator.html" title="interface in org.apache.mahout.cf.taste.impl.recommender">TopItems.Estimator</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt;&nbsp;estimator)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#mostSimilarItems-long:A-int-">mostSimilarItems</a></span>(long[]&nbsp;itemIDs,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#mostSimilarItems-long:A-int-boolean-">mostSimilarItems</a></span>(long[]&nbsp;itemIDs,
int&nbsp;howMany,
boolean&nbsp;excludeItemIfNotSimilarToAll)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#mostSimilarItems-long:A-int-org.apache.mahout.cf.taste.recommender.Rescorer-">mostSimilarItems</a></span>(long[]&nbsp;itemIDs,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">Rescorer</a>&lt;<a href="../../../../../../../org/apache/mahout/common/LongPair.html" title="class in org.apache.mahout.common">LongPair</a>&gt;&nbsp;rescorer)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#mostSimilarItems-long:A-int-org.apache.mahout.cf.taste.recommender.Rescorer-boolean-">mostSimilarItems</a></span>(long[]&nbsp;itemIDs,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">Rescorer</a>&lt;<a href="../../../../../../../org/apache/mahout/common/LongPair.html" title="class in org.apache.mahout.common">LongPair</a>&gt;&nbsp;rescorer,
boolean&nbsp;excludeItemIfNotSimilarToAll)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#mostSimilarItems-long-int-">mostSimilarItems</a></span>(long&nbsp;itemID,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#mostSimilarItems-long-int-org.apache.mahout.cf.taste.recommender.Rescorer-">mostSimilarItems</a></span>(long&nbsp;itemID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">Rescorer</a>&lt;<a href="../../../../../../../org/apache/mahout/common/LongPair.html" title="class in org.apache.mahout.common">LongPair</a>&gt;&nbsp;rescorer)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">GenericUserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericUserBasedRecommender.html#mostSimilarUserIDs-long-int-">mostSimilarUserIDs</a></span>(long&nbsp;userID,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">GenericUserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericUserBasedRecommender.html#mostSimilarUserIDs-long-int-org.apache.mahout.cf.taste.recommender.Rescorer-">mostSimilarUserIDs</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">Rescorer</a>&lt;<a href="../../../../../../../org/apache/mahout/common/LongPair.html" title="class in org.apache.mahout.common">LongPair</a>&gt;&nbsp;rescorer)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">CachingRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/CachingRecommender.html#recommend-long-int-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractRecommender.html#recommend-long-int-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany)</code>
<div class="block">
Default implementation which just calls
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-"><code>Recommender.recommend(long, int, org.apache.mahout.cf.taste.recommender.IDRescorer)</code></a>, with a
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender"><code>Rescorer</code></a> that does nothing.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">CachingRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/CachingRecommender.html#recommend-long-int-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractRecommender.html#recommend-long-int-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
boolean&nbsp;includeKnownItems)</code>
<div class="block">
Default implementation which just calls
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-"><code>Recommender.recommend(long, int, org.apache.mahout.cf.taste.recommender.IDRescorer)</code></a>, with a
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender"><code>Rescorer</code></a> that does nothing.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">CachingRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/CachingRecommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractRecommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer)</code>
<div class="block"> Delegates to <a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-boolean-"><code>Recommender.recommend(long, int, IDRescorer, boolean)</code></a></div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericUserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericUserBasedRecommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">CachingRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/CachingRecommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ItemAverageRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemAverageRecommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">RandomRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/RandomRecommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ItemUserAverageRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemUserAverageRecommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">GenericItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/GenericItemBasedRecommender.html#recommendedBecause-long-long-int-">recommendedBecause</a></span>(long&nbsp;userID,
long&nbsp;itemID,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">CachingRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/CachingRecommender.html#removePreference-long-long-">removePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">ItemAverageRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemAverageRecommender.html#removePreference-long-long-">removePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">ItemUserAverageRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemUserAverageRecommender.html#removePreference-long-long-">removePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractRecommender.html#removePreference-long-long-">removePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>
<div class="block">
Default implementation which just calls <a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#removePreference-long-long-"><code>DataModel.removePreference(long, long)</code></a> (Object, Object)}.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">CachingRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/CachingRecommender.html#setPreference-long-long-float-">setPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID,
float&nbsp;value)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">ItemAverageRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemAverageRecommender.html#setPreference-long-long-float-">setPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID,
float&nbsp;value)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">ItemUserAverageRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemUserAverageRecommender.html#setPreference-long-long-float-">setPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID,
float&nbsp;value)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/AbstractRecommender.html#setPreference-long-long-float-">setPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID,
float&nbsp;value)</code>
<div class="block">
Default implementation which just calls <a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#setPreference-long-long-float-"><code>DataModel.setPreference(long, long, float)</code></a>.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructors in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/package-summary.html">org.apache.mahout.cf.taste.impl.recommender</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/CachingRecommender.html#CachingRecommender-org.apache.mahout.cf.taste.recommender.Recommender-">CachingRecommender</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html" title="interface in org.apache.mahout.cf.taste.recommender">Recommender</a>&nbsp;recommender)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemAverageRecommender.html#ItemAverageRecommender-org.apache.mahout.cf.taste.model.DataModel-">ItemAverageRecommender</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/ItemUserAverageRecommender.html#ItemUserAverageRecommender-org.apache.mahout.cf.taste.model.DataModel-">ItemUserAverageRecommender</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/RandomRecommender.html#RandomRecommender-org.apache.mahout.cf.taste.model.DataModel-">RandomRecommender</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.recommender.svd">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/package-summary.html">org.apache.mahout.cf.taste.impl.recommender.svd</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/package-summary.html">org.apache.mahout.cf.taste.impl.recommender.svd</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><span class="typeNameLabel">SVDRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDRecommender.html#estimatePreference-long-long-">estimatePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>
<div class="block">a preference is estimated by computing the dot-product of the user and item feature vectors</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorization.html" title="class in org.apache.mahout.cf.taste.impl.recommender.svd">Factorization</a></code></td>
<td class="colLast"><span class="typeNameLabel">SVDPlusPlusFactorizer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDPlusPlusFactorizer.html#factorize--">factorize</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorization.html" title="class in org.apache.mahout.cf.taste.impl.recommender.svd">Factorization</a></code></td>
<td class="colLast"><span class="typeNameLabel">RatingSGDFactorizer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/RatingSGDFactorizer.html#factorize--">factorize</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorization.html" title="class in org.apache.mahout.cf.taste.impl.recommender.svd">Factorization</a></code></td>
<td class="colLast"><span class="typeNameLabel">Factorizer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorizer.html#factorize--">factorize</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorization.html" title="class in org.apache.mahout.cf.taste.impl.recommender.svd">Factorization</a></code></td>
<td class="colLast"><span class="typeNameLabel">ParallelSGDFactorizer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ParallelSGDFactorizer.html#factorize--">factorize</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorization.html" title="class in org.apache.mahout.cf.taste.impl.recommender.svd">Factorization</a></code></td>
<td class="colLast"><span class="typeNameLabel">ALSWRFactorizer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ALSWRFactorizer.html#factorize--">factorize</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><span class="typeNameLabel">ParallelSGDFactorizer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ParallelSGDFactorizer.html#initialize--">initialize</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><span class="typeNameLabel">SVDPlusPlusFactorizer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDPlusPlusFactorizer.html#prepareTraining--">prepareTraining</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><span class="typeNameLabel">RatingSGDFactorizer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/RatingSGDFactorizer.html#prepareTraining--">prepareTraining</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">SVDRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDRecommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructors in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/package-summary.html">org.apache.mahout.cf.taste.impl.recommender.svd</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/AbstractFactorizer.html#AbstractFactorizer-org.apache.mahout.cf.taste.model.DataModel-">AbstractFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ALSWRFactorizer.html#ALSWRFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-int-">ALSWRFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;lambda,
int&nbsp;numIterations)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ALSWRFactorizer.html#ALSWRFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-int-boolean-double-">ALSWRFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;lambda,
int&nbsp;numIterations,
boolean&nbsp;usesImplicitFeedback,
double&nbsp;alpha)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ALSWRFactorizer.html#ALSWRFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-int-boolean-double-int-">ALSWRFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;lambda,
int&nbsp;numIterations,
boolean&nbsp;usesImplicitFeedback,
double&nbsp;alpha,
int&nbsp;numTrainingThreads)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ParallelSGDFactorizer.html#ParallelSGDFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-int-">ParallelSGDFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;lambda,
int&nbsp;numEpochs)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ParallelSGDFactorizer.html#ParallelSGDFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-int-double-double-int-double-">ParallelSGDFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;lambda,
int&nbsp;numIterations,
double&nbsp;mu0,
double&nbsp;decayFactor,
int&nbsp;stepOffset,
double&nbsp;forgettingExponent)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ParallelSGDFactorizer.html#ParallelSGDFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-int-double-double-int-double-double-double-">ParallelSGDFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;lambda,
int&nbsp;numIterations,
double&nbsp;mu0,
double&nbsp;decayFactor,
int&nbsp;stepOffset,
double&nbsp;forgettingExponent,
double&nbsp;biasMuRatio,
double&nbsp;biasLambdaRatio)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ParallelSGDFactorizer.html#ParallelSGDFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-int-double-double-int-double-double-double-int-">ParallelSGDFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;lambda,
int&nbsp;numIterations,
double&nbsp;mu0,
double&nbsp;decayFactor,
int&nbsp;stepOffset,
double&nbsp;forgettingExponent,
double&nbsp;biasMuRatio,
double&nbsp;biasLambdaRatio,
int&nbsp;numThreads)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ParallelSGDFactorizer.html#ParallelSGDFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-int-double-double-int-double-int-">ParallelSGDFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;lambda,
int&nbsp;numIterations,
double&nbsp;mu0,
double&nbsp;decayFactor,
int&nbsp;stepOffset,
double&nbsp;forgettingExponent,
int&nbsp;numThreads)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/ParallelSGDFactorizer.PreferenceShuffler.html#PreferenceShuffler-org.apache.mahout.cf.taste.model.DataModel-">PreferenceShuffler</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/RatingSGDFactorizer.html#RatingSGDFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-double-double-int-double-">RatingSGDFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;learningRate,
double&nbsp;preventOverfitting,
double&nbsp;randomNoise,
int&nbsp;numIterations,
double&nbsp;learningRateDecay)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/RatingSGDFactorizer.html#RatingSGDFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-int-">RatingSGDFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
int&nbsp;numIterations)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDPlusPlusFactorizer.html#SVDPlusPlusFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-double-double-double-int-double-">SVDPlusPlusFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
double&nbsp;learningRate,
double&nbsp;preventOverfitting,
double&nbsp;randomNoise,
int&nbsp;numIterations,
double&nbsp;learningRateDecay)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDPlusPlusFactorizer.html#SVDPlusPlusFactorizer-org.apache.mahout.cf.taste.model.DataModel-int-int-">SVDPlusPlusFactorizer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;numFeatures,
int&nbsp;numIterations)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDRecommender.html#SVDRecommender-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.impl.recommender.svd.Factorizer-">SVDRecommender</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorizer.html" title="interface in org.apache.mahout.cf.taste.impl.recommender.svd">Factorizer</a>&nbsp;factorizer)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDRecommender.html#SVDRecommender-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.impl.recommender.svd.Factorizer-org.apache.mahout.cf.taste.recommender.CandidateItemsStrategy-">SVDRecommender</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorizer.html" title="interface in org.apache.mahout.cf.taste.impl.recommender.svd">Factorizer</a>&nbsp;factorizer,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/CandidateItemsStrategy.html" title="interface in org.apache.mahout.cf.taste.recommender">CandidateItemsStrategy</a>&nbsp;candidateItemsStrategy)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDRecommender.html#SVDRecommender-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.impl.recommender.svd.Factorizer-org.apache.mahout.cf.taste.recommender.CandidateItemsStrategy-org.apache.mahout.cf.taste.impl.recommender.svd.PersistenceStrategy-">SVDRecommender</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorizer.html" title="interface in org.apache.mahout.cf.taste.impl.recommender.svd">Factorizer</a>&nbsp;factorizer,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/CandidateItemsStrategy.html" title="interface in org.apache.mahout.cf.taste.recommender">CandidateItemsStrategy</a>&nbsp;candidateItemsStrategy,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/PersistenceStrategy.html" title="interface in org.apache.mahout.cf.taste.impl.recommender.svd">PersistenceStrategy</a>&nbsp;persistenceStrategy)</code>
<div class="block">Create an SVDRecommender using a persistent store to cache factorizations.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/SVDRecommender.html#SVDRecommender-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.impl.recommender.svd.Factorizer-org.apache.mahout.cf.taste.impl.recommender.svd.PersistenceStrategy-">SVDRecommender</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/Factorizer.html" title="interface in org.apache.mahout.cf.taste.impl.recommender.svd">Factorizer</a>&nbsp;factorizer,
<a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/PersistenceStrategy.html" title="interface in org.apache.mahout.cf.taste.impl.recommender.svd">PersistenceStrategy</a>&nbsp;persistenceStrategy)</code>
<div class="block">Create an SVDRecommender using a persistent store to cache factorizations.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.similarity">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/package-summary.html">org.apache.mahout.cf.taste.impl.similarity</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/package-summary.html">org.apache.mahout.cf.taste.impl.similarity</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">AbstractItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/AbstractItemSimilarity.html#allSimilarItemIDs-long-">allSimilarItemIDs</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">CachingItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CachingItemSimilarity.html#allSimilarItemIDs-long-">allSimilarItemIDs</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><span class="typeNameLabel">AveragingPreferenceInferrer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/AveragingPreferenceInferrer.html#inferPreference-long-long-">inferPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><span class="typeNameLabel">LogLikelihoodSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/LogLikelihoodSimilarity.html#itemSimilarities-long-long:A-">itemSimilarities</a></span>(long&nbsp;itemID1,
long[]&nbsp;itemID2s)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><span class="typeNameLabel">CityBlockSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CityBlockSimilarity.html#itemSimilarities-long-long:A-">itemSimilarities</a></span>(long&nbsp;itemID1,
long[]&nbsp;itemID2s)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><span class="typeNameLabel">TanimotoCoefficientSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/TanimotoCoefficientSimilarity.html#itemSimilarities-long-long:A-">itemSimilarities</a></span>(long&nbsp;itemID1,
long[]&nbsp;itemID2s)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><span class="typeNameLabel">CachingItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CachingItemSimilarity.html#itemSimilarities-long-long:A-">itemSimilarities</a></span>(long&nbsp;itemID1,
long[]&nbsp;itemID2s)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">LogLikelihoodSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/LogLikelihoodSimilarity.html#itemSimilarity-long-long-">itemSimilarity</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">CityBlockSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CityBlockSimilarity.html#itemSimilarity-long-long-">itemSimilarity</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">TanimotoCoefficientSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/TanimotoCoefficientSimilarity.html#itemSimilarity-long-long-">itemSimilarity</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">CachingItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CachingItemSimilarity.html#itemSimilarity-long-long-">itemSimilarity</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">LogLikelihoodSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/LogLikelihoodSimilarity.html#userSimilarity-long-long-">userSimilarity</a></span>(long&nbsp;userID1,
long&nbsp;userID2)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">CityBlockSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CityBlockSimilarity.html#userSimilarity-long-long-">userSimilarity</a></span>(long&nbsp;userID1,
long&nbsp;userID2)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">SpearmanCorrelationSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/SpearmanCorrelationSimilarity.html#userSimilarity-long-long-">userSimilarity</a></span>(long&nbsp;userID1,
long&nbsp;userID2)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">TanimotoCoefficientSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/TanimotoCoefficientSimilarity.html#userSimilarity-long-long-">userSimilarity</a></span>(long&nbsp;userID1,
long&nbsp;userID2)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">CachingUserSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CachingUserSimilarity.html#userSimilarity-long-long-">userSimilarity</a></span>(long&nbsp;userID1,
long&nbsp;userID2)</code>&nbsp;</td>
</tr>
</tbody>
</table>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
<caption><span>Constructors in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/package-summary.html">org.apache.mahout.cf.taste.impl.similarity</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/AveragingPreferenceInferrer.html#AveragingPreferenceInferrer-org.apache.mahout.cf.taste.model.DataModel-">AveragingPreferenceInferrer</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CachingItemSimilarity.html#CachingItemSimilarity-org.apache.mahout.cf.taste.similarity.ItemSimilarity-org.apache.mahout.cf.taste.model.DataModel-">CachingItemSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/similarity/ItemSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity">ItemSimilarity</a>&nbsp;similarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block">Creates this on top of the given <a href="../../../../../../../org/apache/mahout/cf/taste/similarity/ItemSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity"><code>ItemSimilarity</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CachingUserSimilarity.html#CachingUserSimilarity-org.apache.mahout.cf.taste.similarity.UserSimilarity-org.apache.mahout.cf.taste.model.DataModel-">CachingUserSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/similarity/UserSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity">UserSimilarity</a>&nbsp;similarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block">Creates this on top of the given <a href="../../../../../../../org/apache/mahout/cf/taste/similarity/UserSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity"><code>UserSimilarity</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/EuclideanDistanceSimilarity.html#EuclideanDistanceSimilarity-org.apache.mahout.cf.taste.model.DataModel-">EuclideanDistanceSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/EuclideanDistanceSimilarity.html#EuclideanDistanceSimilarity-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.common.Weighting-">EuclideanDistanceSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
<a href="../../../../../../../org/apache/mahout/cf/taste/common/Weighting.html" title="enum in org.apache.mahout.cf.taste.common">Weighting</a>&nbsp;weighting)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/GenericItemSimilarity.html#GenericItemSimilarity-org.apache.mahout.cf.taste.similarity.ItemSimilarity-org.apache.mahout.cf.taste.model.DataModel-">GenericItemSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/similarity/ItemSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity">ItemSimilarity</a>&nbsp;otherSimilarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>
<div class="block">
Builds a list of item-item similarities given an <a href="../../../../../../../org/apache/mahout/cf/taste/similarity/ItemSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity"><code>ItemSimilarity</code></a> implementation and a
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model"><code>DataModel</code></a>, rather than a list of <a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/GenericItemSimilarity.ItemItemSimilarity.html" title="class in org.apache.mahout.cf.taste.impl.similarity"><code>GenericItemSimilarity.ItemItemSimilarity</code></a>s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/GenericItemSimilarity.html#GenericItemSimilarity-org.apache.mahout.cf.taste.similarity.ItemSimilarity-org.apache.mahout.cf.taste.model.DataModel-int-">GenericItemSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/similarity/ItemSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity">ItemSimilarity</a>&nbsp;otherSimilarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;maxToKeep)</code>
<div class="block">
Like <a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/GenericItemSimilarity.html#GenericItemSimilarity-org.apache.mahout.cf.taste.similarity.ItemSimilarity-org.apache.mahout.cf.taste.model.DataModel-"><code>GenericItemSimilarity.GenericItemSimilarity(ItemSimilarity, DataModel)</code></a> )}, but will only keep the specified
number of similarities from the given <a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model"><code>DataModel</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/GenericUserSimilarity.html#GenericUserSimilarity-org.apache.mahout.cf.taste.similarity.UserSimilarity-org.apache.mahout.cf.taste.model.DataModel-">GenericUserSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/similarity/UserSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity">UserSimilarity</a>&nbsp;otherSimilarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/GenericUserSimilarity.html#GenericUserSimilarity-org.apache.mahout.cf.taste.similarity.UserSimilarity-org.apache.mahout.cf.taste.model.DataModel-int-">GenericUserSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/similarity/UserSimilarity.html" title="interface in org.apache.mahout.cf.taste.similarity">UserSimilarity</a>&nbsp;otherSimilarity,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
int&nbsp;maxToKeep)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/PearsonCorrelationSimilarity.html#PearsonCorrelationSimilarity-org.apache.mahout.cf.taste.model.DataModel-">PearsonCorrelationSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/PearsonCorrelationSimilarity.html#PearsonCorrelationSimilarity-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.common.Weighting-">PearsonCorrelationSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
<a href="../../../../../../../org/apache/mahout/cf/taste/common/Weighting.html" title="enum in org.apache.mahout.cf.taste.common">Weighting</a>&nbsp;weighting)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/UncenteredCosineSimilarity.html#UncenteredCosineSimilarity-org.apache.mahout.cf.taste.model.DataModel-">UncenteredCosineSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/UncenteredCosineSimilarity.html#UncenteredCosineSimilarity-org.apache.mahout.cf.taste.model.DataModel-org.apache.mahout.cf.taste.common.Weighting-">UncenteredCosineSimilarity</a></span>(<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
<a href="../../../../../../../org/apache/mahout/cf/taste/common/Weighting.html" title="enum in org.apache.mahout.cf.taste.common">Weighting</a>&nbsp;weighting)</code>&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.impl.similarity.file">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/file/package-summary.html">org.apache.mahout.cf.taste.impl.similarity.file</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/file/package-summary.html">org.apache.mahout.cf.taste.impl.similarity.file</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">FileItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/file/FileItemSimilarity.html#allSimilarItemIDs-long-">allSimilarItemIDs</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><span class="typeNameLabel">FileItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/file/FileItemSimilarity.html#itemSimilarities-long-long:A-">itemSimilarities</a></span>(long&nbsp;itemID1,
long[]&nbsp;itemID2s)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">FileItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/similarity/file/FileItemSimilarity.html#itemSimilarity-long-long-">itemSimilarity</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.model">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/model/package-summary.html">org.apache.mahout.cf.taste.model</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/model/package-summary.html">org.apache.mahout.cf.taste.model</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastByIDMap.html" title="class in org.apache.mahout.cf.taste.impl.common">FastByIDMap</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">JDBCDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/JDBCDataModel.html#exportWithIDsOnly--">exportWithIDsOnly</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastByIDMap.html" title="class in org.apache.mahout.cf.taste.impl.common">FastByIDMap</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">JDBCDataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/JDBCDataModel.html#exportWithPrefs--">exportWithPrefs</a></span>()</code>
<div class="block">Hmm, should this exist elsewhere? seems like most relevant for a DB implementation, which is not in
memory, which might want to export to memory.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/LongPrimitiveIterator.html" title="interface in org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a></code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getItemIDs--">getItemIDs</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getItemIDsFromUser-long-">getItemIDsFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getNumItems--">getNumItems</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getNumUsers--">getNumUsers</a></span>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getNumUsersWithPreferenceFor-long-">getNumUsersWithPreferenceFor</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getNumUsersWithPreferenceFor-long-long-">getNumUsersWithPreferenceFor</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a></code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getPreferencesForItem-long-">getPreferencesForItem</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a></code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getPreferencesFromUser-long-">getPreferencesFromUser</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a></code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getPreferenceTime-long-long-">getPreferenceTime</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>
<div class="block">Retrieves the time at which a preference value from a user and item was set, if known.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a></code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getPreferenceValue-long-long-">getPreferenceValue</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>
<div class="block">Retrieves the preference value for a single user and item.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/LongPrimitiveIterator.html" title="interface in org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a></code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#getUserIDs--">getUserIDs</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">UpdatableIDMigrator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/UpdatableIDMigrator.html#initialize-java.lang.Iterable-">initialize</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;stringIDs)</code>
<div class="block">Make the mapping aware of the given string IDs.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#removePreference-long-long-">removePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>
<div class="block">
Removes a particular preference for a user.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">DataModel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html#setPreference-long-long-float-">setPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID,
float&nbsp;value)</code>
<div class="block">
Sets a particular preference (item plus rating) for a user.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">UpdatableIDMigrator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/UpdatableIDMigrator.html#storeMapping-long-java.lang.String-">storeMapping</a></span>(long&nbsp;longID,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;stringID)</code>
<div class="block">Stores the reverse long-to-String mapping in some kind of backing store.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><span class="typeNameLabel">IDMigrator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/model/IDMigrator.html#toStringID-long-">toStringID</a></span>(long&nbsp;longID)</code>&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.neighborhood">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/neighborhood/package-summary.html">org.apache.mahout.cf.taste.neighborhood</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/neighborhood/package-summary.html">org.apache.mahout.cf.taste.neighborhood</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">UserNeighborhood.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/neighborhood/UserNeighborhood.html#getUserNeighborhood-long-">getUserNeighborhood</a></span>(long&nbsp;userID)</code>&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.recommender">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/recommender/package-summary.html">org.apache.mahout.cf.taste.recommender</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/recommender/package-summary.html">org.apache.mahout.cf.taste.recommender</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><span class="typeNameLabel">Recommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#estimatePreference-long-long-">estimatePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">MostSimilarItemsCandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/MostSimilarItemsCandidateItemsStrategy.html#getCandidateItems-long:A-org.apache.mahout.cf.taste.model.DataModel-">getCandidateItems</a></span>(long[]&nbsp;itemIDs,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/FastIDSet.html" title="class in org.apache.mahout.cf.taste.impl.common">FastIDSet</a></code></td>
<td class="colLast"><span class="typeNameLabel">CandidateItemsStrategy.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/CandidateItemsStrategy.html#getCandidateItems-long-org.apache.mahout.cf.taste.model.PreferenceArray-org.apache.mahout.cf.taste.model.DataModel-boolean-">getCandidateItems</a></span>(long&nbsp;userID,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/PreferenceArray.html" title="interface in org.apache.mahout.cf.taste.model">PreferenceArray</a>&nbsp;preferencesFromUser,
<a href="../../../../../../../org/apache/mahout/cf/taste/model/DataModel.html" title="interface in org.apache.mahout.cf.taste.model">DataModel</a>&nbsp;dataModel,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/ItemBasedRecommender.html#mostSimilarItems-long:A-int-">mostSimilarItems</a></span>(long[]&nbsp;itemIDs,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/ItemBasedRecommender.html#mostSimilarItems-long:A-int-boolean-">mostSimilarItems</a></span>(long[]&nbsp;itemIDs,
int&nbsp;howMany,
boolean&nbsp;excludeItemIfNotSimilarToAll)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/ItemBasedRecommender.html#mostSimilarItems-long:A-int-org.apache.mahout.cf.taste.recommender.Rescorer-">mostSimilarItems</a></span>(long[]&nbsp;itemIDs,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">Rescorer</a>&lt;<a href="../../../../../../../org/apache/mahout/common/LongPair.html" title="class in org.apache.mahout.common">LongPair</a>&gt;&nbsp;rescorer)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/ItemBasedRecommender.html#mostSimilarItems-long:A-int-org.apache.mahout.cf.taste.recommender.Rescorer-boolean-">mostSimilarItems</a></span>(long[]&nbsp;itemIDs,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">Rescorer</a>&lt;<a href="../../../../../../../org/apache/mahout/common/LongPair.html" title="class in org.apache.mahout.common">LongPair</a>&gt;&nbsp;rescorer,
boolean&nbsp;excludeItemIfNotSimilarToAll)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/ItemBasedRecommender.html#mostSimilarItems-long-int-">mostSimilarItems</a></span>(long&nbsp;itemID,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/ItemBasedRecommender.html#mostSimilarItems-long-int-org.apache.mahout.cf.taste.recommender.Rescorer-">mostSimilarItems</a></span>(long&nbsp;itemID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">Rescorer</a>&lt;<a href="../../../../../../../org/apache/mahout/common/LongPair.html" title="class in org.apache.mahout.common">LongPair</a>&gt;&nbsp;rescorer)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">UserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/UserBasedRecommender.html#mostSimilarUserIDs-long-int-">mostSimilarUserIDs</a></span>(long&nbsp;userID,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">UserBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/UserBasedRecommender.html#mostSimilarUserIDs-long-int-org.apache.mahout.cf.taste.recommender.Rescorer-">mostSimilarUserIDs</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Rescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">Rescorer</a>&lt;<a href="../../../../../../../org/apache/mahout/common/LongPair.html" title="class in org.apache.mahout.common">LongPair</a>&gt;&nbsp;rescorer)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">Recommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#recommend-long-int-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">Recommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#recommend-long-int-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">Recommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">Recommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#recommend-long-int-org.apache.mahout.cf.taste.recommender.IDRescorer-boolean-">recommend</a></span>(long&nbsp;userID,
int&nbsp;howMany,
<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/IDRescorer.html" title="interface in org.apache.mahout.cf.taste.recommender">IDRescorer</a>&nbsp;rescorer,
boolean&nbsp;includeKnownItems)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../org/apache/mahout/cf/taste/recommender/RecommendedItem.html" title="interface in org.apache.mahout.cf.taste.recommender">RecommendedItem</a>&gt;</code></td>
<td class="colLast"><span class="typeNameLabel">ItemBasedRecommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/ItemBasedRecommender.html#recommendedBecause-long-long-int-">recommendedBecause</a></span>(long&nbsp;userID,
long&nbsp;itemID,
int&nbsp;howMany)</code>
<div class="block">
Lists the items that were most influential in recommending a given item to a given user.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">Recommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#removePreference-long-long-">removePreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">Recommender.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/recommender/Recommender.html#setPreference-long-long-float-">setPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID,
float&nbsp;value)</code>&nbsp;</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="org.apache.mahout.cf.taste.similarity">
<!-- -->
</a>
<h3>Uses of <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a> in <a href="../../../../../../../org/apache/mahout/cf/taste/similarity/package-summary.html">org.apache.mahout.cf.taste.similarity</a></h3>
<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
<caption><span>Methods in <a href="../../../../../../../org/apache/mahout/cf/taste/similarity/package-summary.html">org.apache.mahout.cf.taste.similarity</a> that throw <a href="../../../../../../../org/apache/mahout/cf/taste/common/TasteException.html" title="class in org.apache.mahout.cf.taste.common">TasteException</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><code>long[]</code></td>
<td class="colLast"><span class="typeNameLabel">ItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/similarity/ItemSimilarity.html#allSimilarItemIDs-long-">allSimilarItemIDs</a></span>(long&nbsp;itemID)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><span class="typeNameLabel">PreferenceInferrer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/similarity/PreferenceInferrer.html#inferPreference-long-long-">inferPreference</a></span>(long&nbsp;userID,
long&nbsp;itemID)</code>
<div class="block">
Infers the given user's preference value for an item.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><span class="typeNameLabel">ItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/similarity/ItemSimilarity.html#itemSimilarities-long-long:A-">itemSimilarities</a></span>(long&nbsp;itemID1,
long[]&nbsp;itemID2s)</code>
<div class="block">A bulk-get version of <a href="../../../../../../../org/apache/mahout/cf/taste/similarity/ItemSimilarity.html#itemSimilarity-long-long-"><code>ItemSimilarity.itemSimilarity(long, long)</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">ItemSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/similarity/ItemSimilarity.html#itemSimilarity-long-long-">itemSimilarity</a></span>(long&nbsp;itemID1,
long&nbsp;itemID2)</code>
<div class="block">
Returns the degree of similarity, of two items, based on the preferences that users have expressed for
the items.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><span class="typeNameLabel">UserSimilarity.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/mahout/cf/taste/similarity/UserSimilarity.html#userSimilarity-long-long-">userSimilarity</a></span>(long&nbsp;userID1,
long&nbsp;userID2)</code>
<div class="block">
Returns the degree of similarity, of two users, based on the their preferences.</div>
</td>
</tr>
</tbody>
</table>
</li>
</ul>
</li>
</ul>
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