Review Request: New implementation for LDA: Collapsed Variational Bayes (0th derivative approximation), with map-side model caching

Sun, 27 Nov 2011 12:37:26 -0800 

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https://reviews.apache.org/r/2944/
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Review request for mahout.


Summary
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See MAHOUT-897


This addresses bug MAHOUT-897.
    https://issues.apache.org/jira/browse/MAHOUT-897


Diffs
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  trunk/core/src/main/java/org/apache/mahout/clustering/lda/LDADriver.java 
1206835 
  
trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/CVB0DocInferenceMapper.java
 PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/CVB0Driver.java 
PRE-CREATION 
  
trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/CVB0TopicTermVectorNormalizerMapper.java
 PRE-CREATION 
  
trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/CachingCVB0Mapper.java
 PRE-CREATION 
  
trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/CachingCVB0PerplexityMapper.java
 PRE-CREATION 
  
trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/InMemoryCollapsedVariationalBayes0.java
 PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/MemoryUtil.java 
PRE-CREATION 
  
trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/ModelTrainer.java 
PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/TopicModel.java 
PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/common/Pair.java 1206835 
  
trunk/core/src/main/java/org/apache/mahout/math/DistributedRowMatrixWriter.java 
PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/math/MatrixUtils.java PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/math/stats/Sampler.java 
PRE-CREATION 
  
trunk/core/src/test/java/org/apache/mahout/clustering/ClusteringTestUtils.java 
1206835 
  trunk/core/src/test/java/org/apache/mahout/clustering/lda/TestMapReduce.java 
1206835 
  
trunk/core/src/test/java/org/apache/mahout/clustering/lda/cvb/TestCVBModelTrainer.java
 PRE-CREATION 
  trunk/src/conf/driver.classes.props 1206835 

Diff: https://reviews.apache.org/r/2944/diff


Testing
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mvn clean test


Thanks,

Jake

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