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From "Suneel Marthi (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (MAHOUT-979) RowSimilarityJob should be able to infer the number of columns from the input matrix if not specified
Date Tue, 08 May 2012 14:19:49 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270052#comment-13270052
] 

Suneel Marthi edited comment on MAHOUT-979 at 5/8/12 2:19 PM:
--------------------------------------------------------------

Added method getDimensions() in AbstractJob.java, this would be invoked if the 'numberOfColumns'
is not specified as a CLI argument while executing the RowSimilarityJob.
                
      was (Author: smarthi):
    Added method getDimensions() in AbstractJob.java, that would be invoked if the 'numberOfColumns'
is not specified as a CLI argument while executing the RowSimilarityJob.
                  
> RowSimilarityJob should be able to infer the number of columns from the input matrix
if not specified 
> ------------------------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-979
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-979
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Math
>    Affects Versions: 0.6, 0.7
>            Reporter: Suneel Marthi
>            Assignee: Suneel Marthi
>            Priority: Minor
>              Labels: mahout
>             Fix For: 0.7
>
>         Attachments: Mahout-979.patch
>
>
> Presently RowSimilarityJob expects to be provided the 'numberOfColumns' (-r) by the user
and this is not an optional argument. If this is not specified explicitly RowSimilarityJob
should be able to get the number of columns by the vector size. 

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