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https://issues.apache.org/jira/browse/MAHOUT-603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated MAHOUT-603:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
> Standardize implementation of log-likelihood
> --------------------------------------------
>
> Key: MAHOUT-603
> URL: https://issues.apache.org/jira/browse/MAHOUT-603
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Affects Versions: 0.3, 0.4
> Reporter: Sean Owen
> Assignee: Sean Owen
> Priority: Minor
> Labels: collaborative-filtering, log-likelihood, similarity
> Fix For: 0.5
>
> Attachments: MAHOUT-603.patch
>
>
> We should use Ted's formulation of log-likelihood instead of the one that
> exists twice in the CF module. It doesn't change the resulting numbers,
> though does fix some symmetry issues in corner cases.
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