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https://issues.apache.org/jira/browse/MAHOUT-137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12722372#action_12722372
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Jeff Eastman commented on MAHOUT-137:
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How about we add a job argument to set whether to use DenseVector or
SparseVector?
Looks like we will need an OutputDriver step in Synthetic Control now to
convert back to human-readable form. I have a patch for the rest of it if you
want it, let me know.
I'm going to work on Mean Shift and Dirichlet later today while you finish
Canopy and do Kmeans?
> Convert Clustering Algs to use Vector Writable
> ----------------------------------------------
>
> Key: MAHOUT-137
> URL: https://issues.apache.org/jira/browse/MAHOUT-137
> Project: Mahout
> Issue Type: Improvement
> Reporter: Grant Ingersoll
> Assignee: Grant Ingersoll
> Fix For: 0.2
>
> Attachments: MAHOUT-137.patch
>
>
> All M/R jobs should use Vector writable instead of encoding and decoding
> strings. We can have a separate utility that converts serialized GSON,
> Strings, whatever into the appropriate vectors. See MAHOUT-136 and
> http://www.lucidimagination.com/search/document/6a55f260826fd77f/jira_commented_mahout_136_change_canopy_mr_implementation_to_use_vector_writable
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