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https://issues.apache.org/jira/browse/MAHOUT-939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13182447#comment-13182447
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Lance Norskog commented on MAHOUT-939:
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Another oddity: using the full apache commons v.s. cocoon database of tens of
thousands of emails, Bayesian classification ends up with 300 emails. This is
with the default script.
> ASF Email Classification Examples don't always produce good results
> -------------------------------------------------------------------
>
> Key: MAHOUT-939
> URL: https://issues.apache.org/jira/browse/MAHOUT-939
> Project: Mahout
> Issue Type: Bug
> Affects Versions: 0.6
> Reporter: Grant Ingersoll
> Assignee: Grant Ingersoll
> Labels: MAHOUT_INTRO_CONTRIBUTE
> Fix For: 0.7
>
> Attachments: 939.patch, MAHOUT-939.patch, MAHOUT-939.patch,
> MAHOUT-939.patch, strip_reject.patch
>
>
> The classification examples for the ASF email don't work all that well
> currently in terms of quality when it comes to more than a few labels. Also,
> need to determine how much memory is required for vectors of cardinality size
> 100K.
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