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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2014/05/14 23:55:24 UTC

[jira] [Commented] (SPARK-1675) Make clear whether computePrincipalComponents centers data

    [ https://issues.apache.org/jira/browse/SPARK-1675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13998103#comment-13998103 ] 

Xiangrui Meng commented on SPARK-1675:
--------------------------------------

Centering in PCA should be the standard practice.

> Make clear whether computePrincipalComponents centers data
> ----------------------------------------------------------
>
>                 Key: SPARK-1675
>                 URL: https://issues.apache.org/jira/browse/SPARK-1675
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>    Affects Versions: 1.0.0
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>




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