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

Wed, 30 Nov 2011 10:42:22 -0800 

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2944/
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(Updated 2011-11-30 18:42:21.747592)


Review request for mahout and Ted Dunning.


Changes
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More license headers, and some javadocs.

Also: factor out an "LDASampler" which builds a sampler based on a Matrix 
representation of a topic model.  


Summary
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See MAHOUT-897


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


Diffs (updated)
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  trunk/core/src/main/java/org/apache/mahout/clustering/lda/LDADriver.java 
1208294 
  trunk/core/src/main/java/org/apache/mahout/clustering/lda/LDASampler.java 
PRE-CREATION 
  
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/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/MemoryUtil.java 
PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/common/Pair.java 1208294 
  
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 
1208294 
  trunk/core/src/test/java/org/apache/mahout/clustering/lda/TestMapReduce.java 
1208294 
  
trunk/core/src/test/java/org/apache/mahout/clustering/lda/cvb/TestCVBModelTrainer.java
 PRE-CREATION 
  trunk/core/src/test/java/org/apache/mahout/math/stats/SamplerTest.java 
PRE-CREATION 
  trunk/src/conf/driver.classes.props 1208294 

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


Testing
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mvn clean test


Thanks,

Jake

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