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https://issues.apache.org/jira/browse/MAHOUT-884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13206486#comment-13206486
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Suneel Marthi commented on MAHOUT-884:
--------------------------------------
Has this code been committed to trunk yet. Looking at the code, the following
call seems unnecessary as the retrieved metadata value is never used in
getDimensions().
Metadata m = reader.getMetadata();
> Matrix Concatenate utility
> --------------------------
>
> Key: MAHOUT-884
> URL: https://issues.apache.org/jira/browse/MAHOUT-884
> Project: Mahout
> Issue Type: New Feature
> Components: Integration
> Reporter: Lance Norskog
> Priority: Minor
> Fix For: 0.7
>
> Attachments: MAHOUT-884.patch, MAHOUT-884.patch, MAHOUT-884.patch
>
>
> Utility to concatenate matrices stored as SequenceFiles of vectors.
> Each pair in the SequenceFile is the IntWritable row number and a
> VectorWritable.
> The input and output files may skip rows.
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