Standardize implementation of log-likelihood
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Key: MAHOUT-603
URL: https://issues.apache.org/jira/browse/MAHOUT-603
Project: Mahout
Issue Type: Improvement
Components: Collaborative Filtering
Affects Versions: 0.4, 0.3
Reporter: Sean Owen
Assignee: Sean Owen
Priority: Minor
Fix For: 0.5
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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