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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-1809) Add standard scaler to ML library
Date Tue, 21 Apr 2015 08:48:59 GMT

     [ https://issues.apache.org/jira/browse/FLINK-1809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Till Rohrmann closed FLINK-1809.
--------------------------------
    Resolution: Fixed

Added in 62c3d509515213042beb226812051d51c7339999

> 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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