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<h1 title="Uses of Package org.apache.mahout.cf.taste.impl.common" class="title">Uses of Package<br>org.apache.mahout.cf.taste.impl.common</h1>
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<th class="colFirst" scope="col">Package</th>
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<td class="colFirst"><a href="#org.apache.mahout.cf.taste.eval">org.apache.mahout.cf.taste.eval</a></td>
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<td class="colFirst"><a href="#org.apache.mahout.common.iterator">org.apache.mahout.common.iterator</a></td>
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<th class="colOne" scope="col">Class and Description</th>
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<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastByIDMap.html#org.apache.mahout.cf.taste.eval">FastByIDMap</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastIDSet.html#org.apache.mahout.cf.taste.eval">FastIDSet</a>&nbsp;</td>
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<th class="colOne" scope="col">Class and Description</th>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastIDSet.html#org.apache.mahout.cf.taste.hadoop.item">FastIDSet</a>&nbsp;</td>
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<th class="colOne" scope="col">Class and Description</th>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/AbstractLongPrimitiveIterator.html#org.apache.mahout.cf.taste.impl.common">AbstractLongPrimitiveIterator</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/Cache.MatchPredicate.html#org.apache.mahout.cf.taste.impl.common">Cache.MatchPredicate</a>
<div class="block">Used by {#link #removeKeysMatching(Object)} to decide things that are matching.</div>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastByIDMap.html#org.apache.mahout.cf.taste.impl.common">FastByIDMap</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastIDSet.html#org.apache.mahout.cf.taste.impl.common">FastIDSet</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastMap.html#org.apache.mahout.cf.taste.impl.common">FastMap</a>
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This is an optimized <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util"><code>Map</code></a> implementation, based on algorithms described in Knuth's "Art of Computer
Programming", Vol.</div>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FixedRunningAverage.html#org.apache.mahout.cf.taste.impl.common">FixedRunningAverage</a>
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A simple class that represents a fixed value of an average and count.</div>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FullRunningAverage.html#org.apache.mahout.cf.taste.impl.common">FullRunningAverage</a>
<div class="block">
A simple class that can keep track of a running average of a series of numbers.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/LongPrimitiveIterator.html#org.apache.mahout.cf.taste.impl.common">LongPrimitiveIterator</a>
<div class="block">Adds notion of iterating over <code>long</code> primitives in the style of an <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><code>Iterator</code></a> -- as
opposed to iterating over <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang"><code>Long</code></a>.</div>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/Retriever.html#org.apache.mahout.cf.taste.impl.common">Retriever</a>
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Implementations can retrieve a value for a given key.</div>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/RunningAverage.html#org.apache.mahout.cf.taste.impl.common">RunningAverage</a>
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Interface for classes that can keep track of a running average of a series of numbers.</div>
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<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/RunningAverageAndStdDev.html#org.apache.mahout.cf.taste.impl.common">RunningAverageAndStdDev</a>
<div class="block">
Extends <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/RunningAverage.html" title="interface in org.apache.mahout.cf.taste.impl.common"><code>RunningAverage</code></a> by adding standard deviation too.</div>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/SkippingIterator.html#org.apache.mahout.cf.taste.impl.common">SkippingIterator</a>
<div class="block">Adds ability to skip ahead in an iterator, perhaps more efficiently than by calling <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true#next--" title="class or interface in java.util"><code>Iterator.next()</code></a>
repeatedly.</div>
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<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/WeightedRunningAverage.html#org.apache.mahout.cf.taste.impl.common">WeightedRunningAverage</a>&nbsp;</td>
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<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastByIDMap.html#org.apache.mahout.cf.taste.impl.eval">FastByIDMap</a>&nbsp;</td>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastIDSet.html#org.apache.mahout.cf.taste.impl.eval">FastIDSet</a>&nbsp;</td>
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<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/RunningAverage.html#org.apache.mahout.cf.taste.impl.eval">RunningAverage</a>
<div class="block">
Interface for classes that can keep track of a running average of a series of numbers.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/RunningAverageAndStdDev.html#org.apache.mahout.cf.taste.impl.eval">RunningAverageAndStdDev</a>
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Extends <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/RunningAverage.html" title="interface in org.apache.mahout.cf.taste.impl.common"><code>RunningAverage</code></a> by adding standard deviation too.</div>
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<caption><span>Classes in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/package-summary.html">org.apache.mahout.cf.taste.impl.common</a> used by <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/package-summary.html">org.apache.mahout.cf.taste.impl.model</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastByIDMap.html#org.apache.mahout.cf.taste.impl.model">FastByIDMap</a>&nbsp;</td>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastIDSet.html#org.apache.mahout.cf.taste.impl.model">FastIDSet</a>&nbsp;</td>
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<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/LongPrimitiveArrayIterator.html#org.apache.mahout.cf.taste.impl.model">LongPrimitiveArrayIterator</a>
<div class="block">While long[] is an Iterable, it is not an Iterable&lt;Long&gt;.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/LongPrimitiveIterator.html#org.apache.mahout.cf.taste.impl.model">LongPrimitiveIterator</a>
<div class="block">Adds notion of iterating over <code>long</code> primitives in the style of an <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><code>Iterator</code></a> -- as
opposed to iterating over <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang"><code>Long</code></a>.</div>
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<caption><span>Classes in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/package-summary.html">org.apache.mahout.cf.taste.impl.common</a> used by <a href="../../../../../../../org/apache/mahout/cf/taste/impl/model/file/package-summary.html">org.apache.mahout.cf.taste.impl.model.file</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastByIDMap.html#org.apache.mahout.cf.taste.impl.model.file">FastByIDMap</a>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastIDSet.html#org.apache.mahout.cf.taste.impl.model.file">FastIDSet</a>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/LongPrimitiveIterator.html#org.apache.mahout.cf.taste.impl.model.file">LongPrimitiveIterator</a>
<div class="block">Adds notion of iterating over <code>long</code> primitives in the style of an <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><code>Iterator</code></a> -- as
opposed to iterating over <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang"><code>Long</code></a>.</div>
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<caption><span>Classes in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/package-summary.html">org.apache.mahout.cf.taste.impl.common</a> used by <a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/package-summary.html">org.apache.mahout.cf.taste.impl.recommender</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastIDSet.html#org.apache.mahout.cf.taste.impl.recommender">FastIDSet</a>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/LongPrimitiveIterator.html#org.apache.mahout.cf.taste.impl.recommender">LongPrimitiveIterator</a>
<div class="block">Adds notion of iterating over <code>long</code> primitives in the style of an <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><code>Iterator</code></a> -- as
opposed to iterating over <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang"><code>Long</code></a>.</div>
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<caption><span>Classes in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/package-summary.html">org.apache.mahout.cf.taste.impl.common</a> used by <a href="../../../../../../../org/apache/mahout/cf/taste/impl/recommender/svd/package-summary.html">org.apache.mahout.cf.taste.impl.recommender.svd</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/FastByIDMap.html#org.apache.mahout.cf.taste.impl.recommender.svd">FastByIDMap</a>&nbsp;</td>
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<tr class="rowColor">
<td class="colOne"><a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/class-use/LongPrimitiveIterator.html#org.apache.mahout.cf.taste.impl.recommender.svd">LongPrimitiveIterator</a>
<div class="block">Adds notion of iterating over <code>long</code> primitives in the style of an <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util"><code>Iterator</code></a> -- as
opposed to iterating over <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang"><code>Long</code></a>.</div>
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<table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
<caption><span>Classes in <a href="../../../../../../../org/apache/mahout/cf/taste/impl/common/package-summary.html">org.apache.mahout.cf.taste.impl.common</a> used by <a href="../../../../../../../org/apache/mahout/cf/taste/model/package-summary.html">org.apache.mahout.cf.taste.model</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Class and Description</th>
</tr>
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