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From "Mat Kelcey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-695) Option to determine number of words for LDADriver from a specified dictionary
Date Fri, 13 May 2011 05:53:47 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032833#comment-13032833
] 

Mat Kelcey commented on MAHOUT-695:
-----------------------------------

is this patch formatted correctly? 
am using a cloned git repo from github
and generated it with 'git format-patch -p'

also any, and all, feedback welcome. 
i'd love to get my hands dirtier.

> Option to determine number of words for LDADriver from a specified dictionary
> -----------------------------------------------------------------------------
>
>                 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
>            Priority: Minor
>         Attachments: 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 you can instead provide a dictionary; we just count the terms in the
dictionary
> eg ./bin/mahout lda \
>      -i ./examples/bin/work/reuters-out-seqdir-sparse/tf-vectors \
>      -o ./examples/bin/work/reuters-lda \
>      -d ./examples/bin/work/reuters-out-seqdir-sparse/dictionary.file-0 \
>      -k 20 -ow -x 20 

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