[jira] [Resolved] (MAHOUT-695) Have LDADriver determine numWords from input vectors

["Sean Owen (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved MAHOUT-695.
------------------------------

    Resolution: Fixed
    
> Have LDADriver determine numWords from input vectors
> ----------------------------------------------------
>
>                 Key: MAHOUT-695
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-695
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Clustering
>    Affects Versions: 0.5
>            Reporter: Mat Kelcey
>            Assignee: Jake Mannix
>            Priority: Minor
>             Fix For: 0.6
>
>         Attachments: mahout-695.patch, mahout-695.patch
>
>
> It bugged me that you needed to specify the number of words directly to the LDADriver 
> eg ./bin/mahout lda \
>      -i ./examples/bin/work/reuters-out-seqdir-sparse/tf-vectors \
>      -o ./examples/bin/work/reuters-lda -k 20 -v 50000 -ow -x 20 
> with this patch the ldadriver just checks a vector from the input to determine the size
> eg ./bin/mahout lda \
>      -i ./examples/bin/work/reuters-out-seqdir-sparse/tf-vectors \
>      -o ./examples/bin/work/reuters-lda -k 20 -ow -x 20 

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