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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2017/03/02 13:40:45 UTC
[jira] [Updated] (LUCENE-7672) CachingNaiveBayesClassifier doesn't
compute log prior.
[ https://issues.apache.org/jira/browse/LUCENE-7672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Adrien Grand updated LUCENE-7672:
---------------------------------
Affects Version/s: (was: 6.5.0)
> 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: master (7.0), 6.3, 6.4, 6.5, 6.4.1
> Reporter: Kevin Crosby
> Labels: newbie, patch
> Fix For: master (7.0)
>
> Attachments: LUCENE-7672.patch
>
>
> 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 has been attached to this issue.
> This affects master, as well as previous releases up to version 6.4.
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