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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1737) Add statistical whitening transformation to machine learning library
Date Fri, 11 Sep 2015 09:03:45 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14740444#comment-14740444
] 

ASF GitHub Bot commented on FLINK-1737:
---------------------------------------

Github user tillrohrmann commented on the pull request:

    https://github.com/apache/flink/pull/1078#issuecomment-139493422
  
    Thank you very much @daniel-pape for you contribution. Looks really good. I had only some
minor comments.


> Add statistical whitening transformation to machine learning library
> --------------------------------------------------------------------
>
>                 Key: FLINK-1737
>                 URL: https://issues.apache.org/jira/browse/FLINK-1737
>             Project: Flink
>          Issue Type: New Feature
>          Components: Machine Learning Library
>            Reporter: Till Rohrmann
>            Assignee: Daniel Pape
>              Labels: ML, Starter
>
> The statistical whitening transformation [1] is a preprocessing step for different ML
algorithms. It decorrelates the individual dimensions and sets its variance to 1.
> Statistical whitening should be implemented as a {{Transfomer}}.
> Resources:
> [1] [http://en.wikipedia.org/wiki/Whitening_transformation]



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