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https://issues.apache.org/jira/browse/MAHOUT-1369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13861943#comment-13861943
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Suneel Marthi commented on MAHOUT-1369:
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This seems to have been commented out as part of Mahout 0.7 (that's when the 
new implementation of Naive Bayes was rolled out).  [[email protected]] do 
you know why?  The code comments say 'Enable this when theta normalization 
works' .  

> Why does theta normalization for naive bayes classification commented out?
> --------------------------------------------------------------------------
>
>                 Key: MAHOUT-1369
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1369
>             Project: Mahout
>          Issue Type: Question
>          Components: Classification
>         Environment: mahout 0.8
>            Reporter: utku yaman
>            Priority: Minor
>              Labels: features
>
> TrainNaiveBayesJob line 155:158
> and
> BayesUtils line 86:93
> are commented out and these lines are for theta normalization for bayes.
> what is the problem with the code and is there a plan for correcting these 
> methods.



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