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Posted to dev@mahout.apache.org by "Suneel Marthi (JIRA)" <ji...@apache.org> on 2014/01/03 22:56:50 UTC

[jira] [Commented] (MAHOUT-1369) Why does theta normalization for naive bayes classification commented out?

    [ https://issues.apache.org/jira/browse/MAHOUT-1369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13861943#comment-13861943 ] 

Suneel Marthi commented on MAHOUT-1369:
---------------------------------------

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).  [~robin.anil@gmail.com] 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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