Pat Ferrel created MAHOUT-1604:
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             Summary: Create a RowSimilarity for Spark
                 Key: MAHOUT-1604
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1604
             Project: Mahout
          Issue Type: Bug
          Components: CLI
    Affects Versions: 1.0
         Environment: Spark
            Reporter: Pat Ferrel
            Assignee: Pat Ferrel


Using CooccurrenceAnalysis.cooccurrence create a driver that reads a text DRM 
or two and produces LLR similarity/cross-similarity matrices.

This will produce the same results as ItemSimilarity but take a Drm as input 
instead of individual cells.

The first version will only support LLR, other similarity measures will need to 
be in separate Jiras



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