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| <div class="subTitle">org.apache.mahout.clustering.lda.cvb</div> |
| <h2 title="Class CVB0Driver" class="title">Class CVB0Driver</h2> |
| </div> |
| <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> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.conf.Configured</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/mahout/common/AbstractJob.html" title="class in org.apache.mahout.common">org.apache.mahout.common.AbstractJob</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.mahout.clustering.lda.cvb.CVB0Driver</li> |
| </ul> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd>org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool</dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">CVB0Driver</span> |
| extends <a href="../../../../../../org/apache/mahout/common/AbstractJob.html" title="class in org.apache.mahout.common">AbstractJob</a></pre> |
| <div class="block">See <a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CachingCVB0Mapper.html" title="class in org.apache.mahout.clustering.lda.cvb"><code>CachingCVB0Mapper</code></a> for more details on scalability and room for improvement. |
| To try out this LDA implementation without using Hadoop, check out |
| <a href="../../../../../../org/apache/mahout/clustering/lda/cvb/InMemoryCollapsedVariationalBayes0.html" title="class in org.apache.mahout.clustering.lda.cvb"><code>InMemoryCollapsedVariationalBayes0</code></a>. If you want to do training directly in java code |
| with your own main(), then look to <a href="../../../../../../org/apache/mahout/clustering/lda/cvb/ModelTrainer.html" title="class in org.apache.mahout.clustering.lda.cvb"><code>ModelTrainer</code></a> and <a href="../../../../../../org/apache/mahout/clustering/lda/cvb/TopicModel.html" title="class in org.apache.mahout.clustering.lda.cvb"><code>TopicModel</code></a>. |
| |
| Usage: <code>./bin/mahout cvb <i>options</i></code> |
| <p> |
| Valid options include: |
| <dl> |
| <dt><code>--input path</code></td> |
| <dd>Input path for <code>SequenceFile<IntWritable, VectorWritable></code> document vectors. See |
| <a href="../../../../../../org/apache/mahout/vectorizer/SparseVectorsFromSequenceFiles.html" title="class in org.apache.mahout.vectorizer"><code>SparseVectorsFromSequenceFiles</code></a> |
| for details on how to generate this input format.</dd> |
| <dt><code>--dictionary path</code></dt> |
| <dd>Path to dictionary file(s) generated during construction of input document vectors (glob |
| expression supported). If set, this data is scanned to determine an appropriate value for option |
| <code>--num_terms</code>.</dd> |
| <dt><code>--output path</code></dt> |
| <dd>Output path for topic-term distributions.</dd> |
| <dt><code>--doc_topic_output path</code></dt> |
| <dd>Output path for doc-topic distributions.</dd> |
| <dt><code>--num_topics k</code></dt> |
| <dd>Number of latent topics.</dd> |
| <dt><code>--num_terms nt</code></dt> |
| <dd>Number of unique features defined by input document vectors. If option <code>--dictionary</code> |
| is defined and this option is unspecified, term count is calculated from dictionary.</dd> |
| <dt><code>--topic_model_temp_dir path</code></dt> |
| <dd>Path in which to store model state after each iteration.</dd> |
| <dt><code>--maxIter i</code></dt> |
| <dd>Maximum number of iterations to perform. If this value is less than or equal to the number of |
| iteration states found beneath the path specified by option <code>--topic_model_temp_dir</code>, no |
| further iterations are performed. Instead, output topic-term and doc-topic distributions are |
| generated using data from the specified iteration.</dd> |
| <dt><code>--max_doc_topic_iters i</code></dt> |
| <dd>Maximum number of iterations per doc for p(topic|doc) learning. Defaults to <code>10</code>.</dd> |
| <dt><code>--doc_topic_smoothing a</code></dt> |
| <dd>Smoothing for doc-topic distribution. Defaults to <code>0.0001</code>.</dd> |
| <dt><code>--term_topic_smoothing e</code></dt> |
| <dd>Smoothing for topic-term distribution. Defaults to <code>0.0001</code>.</dd> |
| <dt><code>--random_seed seed</code></dt> |
| <dd>Integer seed for random number generation.</dd> |
| <dt><code>--test_set_percentage p</code></dt> |
| <dd>Fraction of data to hold out for testing. Defaults to <code>0.0</code>.</dd> |
| <dt><code>--iteration_block_size block</code></dt> |
| <dd>Number of iterations between perplexity checks. Defaults to <code>10</code>. This option is |
| ignored unless option <code>--test_set_percentage</code> is greater than zero.</dd> |
| </dl></div> |
| </li> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.DualDoubleSumReducer.html" title="class in org.apache.mahout.clustering.lda.cvb">CVB0Driver.DualDoubleSumReducer</a></span></code> |
| <div class="block">Sums keys and values independently.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Field Summary</h3> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#BACKFILL_PERPLEXITY">BACKFILL_PERPLEXITY</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#DICTIONARY">DICTIONARY</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#DOC_TOPIC_OUTPUT">DOC_TOPIC_OUTPUT</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#DOC_TOPIC_SMOOTHING">DOC_TOPIC_SMOOTHING</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#ITERATION_BLOCK_SIZE">ITERATION_BLOCK_SIZE</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#MAX_ITERATIONS_PER_DOC">MAX_ITERATIONS_PER_DOC</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#MODEL_TEMP_DIR">MODEL_TEMP_DIR</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#MODEL_WEIGHT">MODEL_WEIGHT</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#NUM_REDUCE_TASKS">NUM_REDUCE_TASKS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#NUM_TERMS">NUM_TERMS</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#NUM_TOPICS">NUM_TOPICS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#NUM_TRAIN_THREADS">NUM_TRAIN_THREADS</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#NUM_UPDATE_THREADS">NUM_UPDATE_THREADS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#RANDOM_SEED">RANDOM_SEED</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#TERM_TOPIC_SMOOTHING">TERM_TOPIC_SMOOTHING</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#TEST_SET_FRACTION">TEST_SET_FRACTION</a></span></code> </td> |
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| <h3>Fields inherited from class org.apache.mahout.common.<a href="../../../../../../org/apache/mahout/common/AbstractJob.html" title="class in org.apache.mahout.common">AbstractJob</a></h3> |
| <code><a href="../../../../../../org/apache/mahout/common/AbstractJob.html#argMap">argMap</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#inputFile">inputFile</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#inputPath">inputPath</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#outputFile">outputFile</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#outputPath">outputPath</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#tempPath">tempPath</a></code></li> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <h3>Constructor Summary</h3> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#CVB0Driver--">CVB0Driver</a></span>()</code> </td> |
| </tr> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.fs.Path[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#getModelPaths-org.apache.hadoop.conf.Configuration-">getModelPaths</a></span>(org.apache.hadoop.conf.Configuration conf)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#main-java.lang.String:A-">main</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>[] args)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#modelPath-org.apache.hadoop.fs.Path-int-">modelPath</a></span>(org.apache.hadoop.fs.Path topicModelStateTempPath, |
| int iterationNumber)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#perplexityPath-org.apache.hadoop.fs.Path-int-">perplexityPath</a></span>(org.apache.hadoop.fs.Path topicModelStateTempPath, |
| int iterationNumber)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#readPerplexity-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-int-">readPerplexity</a></span>(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.fs.Path topicModelStateTemp, |
| int iteration)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#run-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-int-int-double-double-int-int-double-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-long-float-int-int-int-int-boolean-">run</a></span>(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.fs.Path inputPath, |
| org.apache.hadoop.fs.Path topicModelOutputPath, |
| int numTopics, |
| int numTerms, |
| double alpha, |
| double eta, |
| int maxIterations, |
| int iterationBlockSize, |
| double convergenceDelta, |
| org.apache.hadoop.fs.Path dictionaryPath, |
| org.apache.hadoop.fs.Path docTopicOutputPath, |
| org.apache.hadoop.fs.Path topicModelStateTempPath, |
| long randomSeed, |
| float testFraction, |
| int numTrainThreads, |
| int numUpdateThreads, |
| int maxItersPerDoc, |
| int numReduceTasks, |
| boolean backfillPerplexity)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#run-java.lang.String:A-">run</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>[] args)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mahout/clustering/lda/cvb/CVB0Driver.html#runIteration-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-int-int-int-">runIteration</a></span>(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.fs.Path corpusInput, |
| org.apache.hadoop.fs.Path modelInput, |
| org.apache.hadoop.fs.Path modelOutput, |
| int iterationNumber, |
| int maxIterations, |
| int numReduceTasks)</code> </td> |
| </tr> |
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| <h3>Methods inherited from class org.apache.mahout.common.<a href="../../../../../../org/apache/mahout/common/AbstractJob.html" title="class in org.apache.mahout.common">AbstractJob</a></h3> |
| <code><a href="../../../../../../org/apache/mahout/common/AbstractJob.html#addFlag-java.lang.String-java.lang.String-java.lang.String-">addFlag</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#addInputOption--">addInputOption</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#addOption-org.apache.commons.cli2.Option-">addOption</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#addOption-java.lang.String-java.lang.String-java.lang.String-">addOption</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#addOption-java.lang.String-java.lang.String-java.lang.String-boolean-">addOption</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#addOption-java.lang.String-java.lang.String-java.lang.String-java.lang.String-">addOption</a>, <a href="../../../../../../org/apache/mahout/common/AbstractJob.html#addOutputOption--">addOutputOption</a>, <a 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| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
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| <a name="NUM_TOPICS"> |
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| <h4>NUM_TOPICS</h4> |
| <pre>public static final <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> NUM_TOPICS</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.NUM_TOPICS">Constant Field Values</a></dd> |
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| <a name="NUM_TERMS"> |
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| <h4>NUM_TERMS</h4> |
| <pre>public static final <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> NUM_TERMS</pre> |
| <dl> |
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| <li class="blockList"> |
| <h4>DOC_TOPIC_SMOOTHING</h4> |
| <pre>public static final <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> DOC_TOPIC_SMOOTHING</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.DOC_TOPIC_SMOOTHING">Constant Field Values</a></dd> |
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| <a name="TERM_TOPIC_SMOOTHING"> |
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| </a> |
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| <li class="blockList"> |
| <h4>TERM_TOPIC_SMOOTHING</h4> |
| <pre>public static final <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> TERM_TOPIC_SMOOTHING</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.TERM_TOPIC_SMOOTHING">Constant Field Values</a></dd> |
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| </ul> |
| <a name="DICTIONARY"> |
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| </a> |
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| <li class="blockList"> |
| <h4>DICTIONARY</h4> |
| <pre>public static final <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> DICTIONARY</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.DICTIONARY">Constant Field Values</a></dd> |
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| <a name="DOC_TOPIC_OUTPUT"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>DOC_TOPIC_OUTPUT</h4> |
| <pre>public static final <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> DOC_TOPIC_OUTPUT</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.DOC_TOPIC_OUTPUT">Constant Field Values</a></dd> |
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| </ul> |
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| <h4>MODEL_TEMP_DIR</h4> |
| <pre>public static final <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> MODEL_TEMP_DIR</pre> |
| <dl> |
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| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.MODEL_TEMP_DIR">Constant Field Values</a></dd> |
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| </ul> |
| <a name="ITERATION_BLOCK_SIZE"> |
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| <h4>ITERATION_BLOCK_SIZE</h4> |
| <pre>public static final <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> ITERATION_BLOCK_SIZE</pre> |
| <dl> |
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| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.ITERATION_BLOCK_SIZE">Constant Field Values</a></dd> |
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| <h4>RANDOM_SEED</h4> |
| <pre>public static final <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> RANDOM_SEED</pre> |
| <dl> |
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| <h4>TEST_SET_FRACTION</h4> |
| <pre>public static final <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> TEST_SET_FRACTION</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.TEST_SET_FRACTION">Constant Field Values</a></dd> |
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| <h4>NUM_TRAIN_THREADS</h4> |
| <pre>public static final <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> NUM_TRAIN_THREADS</pre> |
| <dl> |
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| <h4>NUM_UPDATE_THREADS</h4> |
| <pre>public static final <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> NUM_UPDATE_THREADS</pre> |
| <dl> |
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| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.NUM_UPDATE_THREADS">Constant Field Values</a></dd> |
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| <h4>MAX_ITERATIONS_PER_DOC</h4> |
| <pre>public static final <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> MAX_ITERATIONS_PER_DOC</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.MAX_ITERATIONS_PER_DOC">Constant Field Values</a></dd> |
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| <h4>MODEL_WEIGHT</h4> |
| <pre>public static final <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> MODEL_WEIGHT</pre> |
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| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.MODEL_WEIGHT">Constant Field Values</a></dd> |
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| <h4>NUM_REDUCE_TASKS</h4> |
| <pre>public static final <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> NUM_REDUCE_TASKS</pre> |
| <dl> |
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| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.NUM_REDUCE_TASKS">Constant Field Values</a></dd> |
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| <h4>BACKFILL_PERPLEXITY</h4> |
| <pre>public static final <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> BACKFILL_PERPLEXITY</pre> |
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| <dd><a href="../../../../../../constant-values.html#org.apache.mahout.clustering.lda.cvb.CVB0Driver.BACKFILL_PERPLEXITY">Constant Field Values</a></dd> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <h3>Constructor Detail</h3> |
| <a name="CVB0Driver--"> |
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| <h4>CVB0Driver</h4> |
| <pre>public CVB0Driver()</pre> |
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| <h3>Method Detail</h3> |
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| <h4>run</h4> |
| <pre>public int run(<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>[] args) |
| throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd> |
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| <a name="run-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-int-int-double-double-int-int-double-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-long-float-int-int-int-int-boolean-"> |
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| <h4>run</h4> |
| <pre>public int run(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.fs.Path inputPath, |
| org.apache.hadoop.fs.Path topicModelOutputPath, |
| int numTopics, |
| int numTerms, |
| double alpha, |
| double eta, |
| int maxIterations, |
| int iterationBlockSize, |
| double convergenceDelta, |
| org.apache.hadoop.fs.Path dictionaryPath, |
| org.apache.hadoop.fs.Path docTopicOutputPath, |
| org.apache.hadoop.fs.Path topicModelStateTempPath, |
| long randomSeed, |
| float testFraction, |
| int numTrainThreads, |
| int numUpdateThreads, |
| int maxItersPerDoc, |
| int numReduceTasks, |
| boolean backfillPerplexity) |
| throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a>, |
| <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>, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd> |
| <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></dd> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="readPerplexity-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>readPerplexity</h4> |
| <pre>public static double readPerplexity(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.fs.Path topicModelStateTemp, |
| int iteration) |
| 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> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>topicModelStateTemp</code> - </dd> |
| <dd><code>iteration</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><code>double[2]</code> where first value is perplexity and second is model weight of those |
| documents sampled during perplexity computation, or <code>null</code> if no perplexity data |
| exists for the given iteration.</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></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="modelPath-org.apache.hadoop.fs.Path-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>modelPath</h4> |
| <pre>public static org.apache.hadoop.fs.Path modelPath(org.apache.hadoop.fs.Path topicModelStateTempPath, |
| int iterationNumber)</pre> |
| </li> |
| </ul> |
| <a name="perplexityPath-org.apache.hadoop.fs.Path-int-"> |
| <!-- --> |
| </a> |
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| <h4>perplexityPath</h4> |
| <pre>public static org.apache.hadoop.fs.Path perplexityPath(org.apache.hadoop.fs.Path topicModelStateTempPath, |
| int iterationNumber)</pre> |
| </li> |
| </ul> |
| <a name="runIteration-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-int-int-int-"> |
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| <h4>runIteration</h4> |
| <pre>public void runIteration(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.fs.Path corpusInput, |
| org.apache.hadoop.fs.Path modelInput, |
| org.apache.hadoop.fs.Path modelOutput, |
| int iterationNumber, |
| int maxIterations, |
| int numReduceTasks) |
| 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>, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a>, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <dl> |
| <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></dd> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</a></code></dd> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getModelPaths-org.apache.hadoop.conf.Configuration-"> |
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| <h4>getModelPaths</h4> |
| <pre>public static org.apache.hadoop.fs.Path[] getModelPaths(org.apache.hadoop.conf.Configuration conf)</pre> |
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| <h4>main</h4> |
| <pre>public static void main(<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>[] args) |
| throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd> |
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