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https://issues.apache.org/jira/browse/MAHOUT-962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dave Byrne updated MAHOUT-962:
------------------------------
Labels: patch (was: )
Affects Version/s: 0.8
0.7
Status: Patch Available (was: Open)
> minDF and maxDFPercent filtering doesnt get applied when output weight is tf
> in SpareVecorsFromSequenceFile
> -----------------------------------------------------------------------------------------------------------
>
> Key: MAHOUT-962
> URL: https://issues.apache.org/jira/browse/MAHOUT-962
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.7, 0.6, 0.8
> Reporter: John Conwell
> Priority: Minor
> Labels: patch
> Fix For: 0.8
>
> Attachments: mahout_962.patch
>
>
> This is similar to the same reasoning behind the fix for MAHOUT-957. The
> desired output is term frequency vectors, but I want terms filtered by their
> min and max DF values. This might be valid in LDA, where tf vectors is
> desired for input, but filtering out the maxDFPercent is also useful.
> Currently minDF and maxDFPercent are only used when calculating tfidf, and
> the original tv vectors are not updated to represent the term filtering.
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