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Posted to dev@mahout.apache.org by "tom pierce (Updated) (JIRA)" <ji...@apache.org> on 2011/11/24 02:58:40 UTC

[jira] [Updated] (MAHOUT-894) NB testclassifier runs in sequential mode by default

     [ https://issues.apache.org/jira/browse/MAHOUT-894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

tom pierce updated MAHOUT-894:
------------------------------

    Status: Patch Available  (was: Open)
    
> NB testclassifier runs in sequential mode by default
> ----------------------------------------------------
>
>                 Key: MAHOUT-894
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-894
>             Project: Mahout
>          Issue Type: Bug
>          Components: Classification
>    Affects Versions: 0.6
>            Reporter: tom pierce
>         Attachments: MAHOUT-894.patch
>
>
> NB classifiers can only be trained in MR mode, but evaluation happens in sequential mode by default.  I think this violates the principle of least surprise - anyone trying this out is likely to expect the opposite.
> I'm attaching a patch to flip the default.

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