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From "Raphael Cendrillon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAHOUT-923) Row mean job for PCA
Date Tue, 13 Dec 2011 00:13:35 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Raphael Cendrillon updated MAHOUT-923:
--------------------------------------

    Attachment: MAHOUT-923.patch
    
> Row mean job for PCA
> --------------------
>
>                 Key: MAHOUT-923
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-923
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Math
>    Affects Versions: 0.6
>            Reporter: Raphael Cendrillon
>            Assignee: Raphael Cendrillon
>             Fix For: Backlog
>
>         Attachments: MAHOUT-923.patch, MAHOUT-923.patch
>
>
> Add map reduce job for calculating mean row (column-wise mean) of a Distributed Row Matrix
for use in PCA.

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