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Posted to dev@lucene.apache.org by "Kevin Crosby (JIRA)" <ji...@apache.org> on 2017/01/31 17:59:51 UTC

[jira] (LUCENE-7672) CachingNaiveBayesClassifier doesn't compute log prior.

Kevin Crosby created LUCENE-7672:
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             Summary: CachingNaiveBayesClassifier doesn't compute log prior.
                 Key: LUCENE-7672
                 URL: https://issues.apache.org/jira/browse/LUCENE-7672
             Project: Lucene - Core
          Issue Type: Bug
          Components: modules/classification
    Affects Versions: 6.3, master (7.0), 6.4, 6.5, 6.4.1, 6.5.0
            Reporter: Kevin Crosby
             Fix For: master (7.0)


The CachingNaiveBayesClassifier gives different results than the SimpleNaiveBayesClassifier.  This is due to the fact that the CachineNaiveBayesClassifier does not calculate the log prior on the class (category) names, as it should.

This bug has been fixed, and a patch will be attached to this issue.



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