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https://issues.apache.org/jira/browse/MAHOUT-835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13123741#comment-13123741
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Deneche A. Hakim commented on MAHOUT-835:
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In the first commit I added extra checks in the Partial Implementation to avoid
launching unnecessary jobs if the OOB is not required
> Don't compute out of bag error for Decision Forests
> ---------------------------------------------------
>
> Key: MAHOUT-835
> URL: https://issues.apache.org/jira/browse/MAHOUT-835
> Project: Mahout
> Issue Type: Improvement
> Components: Classification
> Affects Versions: 0.6
> Reporter: Deneche A. Hakim
> Assignee: Deneche A. Hakim
> Fix For: 0.6
>
>
> The current implementation of Decision Forests makes a lot of assumption
> about how Hadoop works when computing the out-of-bag error. Removing these
> calculations not only makes the code run faster, it's also less buggier and
> won't break easily when a new version of Hadoop is used.
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