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