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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1809) Add standard scaler to ML library
Date Thu, 09 Apr 2015 16:42:12 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14487638#comment-14487638
] 

ASF GitHub Bot commented on FLINK-1809:
---------------------------------------

Github user tillrohrmann commented on the pull request:

    https://github.com/apache/flink/pull/579#issuecomment-91286399
  
    Maybe we could name the package ```org.apache.flink.ml.preprocessing``` instead of ```org.apache.flink.ml.preprocess```.
What do you think?
    
    If you include in the title of the PR the JIRA issue, like "[FLINK-1809] Adds standard
scaler to ml library", then all our comments here will be automatically added to the corresponding
JIRA issue.


> Add standard scaler to ML library
> ---------------------------------
>
>                 Key: FLINK-1809
>                 URL: https://issues.apache.org/jira/browse/FLINK-1809
>             Project: Flink
>          Issue Type: Improvement
>          Components: Machine Learning Library
>            Reporter: Till Rohrmann
>            Assignee: Faye Beligianni
>            Priority: Minor
>              Labels: ML
>
> Many ML algorithms require the input data to have mean 0 and a variance 1 for each individual
feature [1]. Therefore, a {{Transformer}} which achieves exactly that would be a valuable
addition to the machine learning library.
> Resources:
> [1] [http://scikit-learn.org/stable/modules/generated/sklearn.preprocessing.StandardScaler.html]



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