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| <div class="subTitle">org.apache.mahout.cf.taste.similarity.precompute.example</div> |
| <h2 title="Class GroupLensDataModel" class="title">Class GroupLensDataModel</h2> |
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| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
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| <li><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/AbstractDataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.impl.model">org.apache.mahout.cf.taste.impl.model.AbstractDataModel</a></li> |
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| <li><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">org.apache.mahout.cf.taste.impl.model.file.FileDataModel</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.mahout.cf.taste.similarity.precompute.example.GroupLensDataModel</li> |
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| </dl> |
| <hr> |
| <br> |
| <pre>public final class <span class="typeNameLabel">GroupLensDataModel</span> |
| extends <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">FileDataModel</a></pre> |
| <dl> |
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| <dd><a href="../../../../../../../../serialized-form.html#org.apache.mahout.cf.taste.similarity.precompute.example.GroupLensDataModel">Serialized Form</a></dd> |
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| </a> |
| <h3>Fields inherited from class org.apache.mahout.cf.taste.impl.model.file.<a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">FileDataModel</a></h3> |
| <code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#DEFAULT_MIN_RELOAD_INTERVAL_MS" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">DEFAULT_MIN_RELOAD_INTERVAL_MS</a></code></li> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/similarity/precompute/example/GroupLensDataModel.html#GroupLensDataModel--">GroupLensDataModel</a></span>()</code> </td> |
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| <td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a></code></td> |
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| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/similarity/precompute/example/GroupLensDataModel.html#toString--">toString</a></span>()</code> </td> |
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| <h3>Methods inherited from class org.apache.mahout.cf.taste.impl.model.file.<a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">FileDataModel</a></h3> |
| <code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#buildModel--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">buildModel</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#determineDelimiter-java.lang.String-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">determineDelimiter</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getDataFile--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getDataFile</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getItemIDs--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getItemIDs</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getItemIDsFromUser-long-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getItemIDsFromUser</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getMaxPreference--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getMaxPreference</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getMinPreference--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getMinPreference</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getNumItems--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getNumItems</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getNumUsers--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getNumUsers</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getNumUsersWithPreferenceFor-long-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getNumUsersWithPreferenceFor</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getNumUsersWithPreferenceFor-long-long-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getNumUsersWithPreferenceFor</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getPreferencesForItem-long-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getPreferencesForItem</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getPreferencesFromUser-long-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getPreferencesFromUser</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getPreferenceTime-long-long-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getPreferenceTime</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getPreferenceValue-long-long-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getPreferenceValue</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#getUserIDs--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">getUserIDs</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#hasPreferenceValues--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">hasPreferenceValues</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#processFile-org.apache.mahout.common.iterator.FileLineIterator-org.apache.mahout.cf.taste.impl.common.FastByIDMap-org.apache.mahout.cf.taste.impl.common.FastByIDMap-boolean-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">processFile</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#processFileWithoutID-org.apache.mahout.common.iterator.FileLineIterator-org.apache.mahout.cf.taste.impl.common.FastByIDMap-org.apache.mahout.cf.taste.impl.common.FastByIDMap-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">processFileWithoutID</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#processLine-java.lang.String-org.apache.mahout.cf.taste.impl.common.FastByIDMap-org.apache.mahout.cf.taste.impl.common.FastByIDMap-boolean-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">processLine</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#processLineWithoutID-java.lang.String-org.apache.mahout.cf.taste.impl.common.FastByIDMap-org.apache.mahout.cf.taste.impl.common.FastByIDMap-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">processLineWithoutID</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#readItemIDFromString-java.lang.String-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">readItemIDFromString</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#readTimestampFromString-java.lang.String-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">readTimestampFromString</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#readUserIDFromString-java.lang.String-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">readUserIDFromString</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#refresh-java.util.Collection-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">refresh</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#reload--" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">reload</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#removePreference-long-long-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">removePreference</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/file/FileDataModel.html?is-external=true#setPreference-long-long-float-" title="class or interface in org.apache.mahout.cf.taste.impl.model.file">setPreference</a></code></li> |
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| <h3>Methods inherited from class org.apache.mahout.cf.taste.impl.model.<a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/AbstractDataModel.html?is-external=true" title="class or interface in org.apache.mahout.cf.taste.impl.model">AbstractDataModel</a></h3> |
| <code><a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/AbstractDataModel.html?is-external=true#setMaxPreference-float-" title="class or interface in org.apache.mahout.cf.taste.impl.model">setMaxPreference</a>, <a href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/model/AbstractDataModel.html?is-external=true#setMinPreference-float-" title="class or interface in org.apache.mahout.cf.taste.impl.model">setMinPreference</a></code></li> |
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| <pre>public GroupLensDataModel() |
| throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
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| <pre>public GroupLensDataModel(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> ratingsFile) |
| throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
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| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ratingsFile</code> - GroupLens ratings.dat file in its native format</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an error occurs while reading or writing files</dd> |
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| <h4>readResourceToTempFile</h4> |
| <pre>public static <a href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> readResourceToTempFile(<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> resourceName) |
| throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
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| <pre>public <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> toString()</pre> |
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