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https://issues.apache.org/jira/browse/MAHOUT-1604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14252426#comment-14252426
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Pat Ferrel commented on MAHOUT-1604:
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BTW I had no idea you had previously put this in so didn't "put it back in". I
had simply duplicated your train of thought I guess.
> 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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