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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 Wed, 23 Dec 2015 21:20:46 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15070202#comment-15070202
] 

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

Github user daniel-pape commented on the pull request:

    https://github.com/apache/flink/pull/1078#issuecomment-166991692
  
    Thanks for the comment @tillrohrmann. Just pushed the changes. 


> 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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