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Posted to issues@spark.apache.org by "Peng Meng (JIRA)" <ji...@apache.org> on 2016/09/09 02:55:23 UTC

[jira] [Commented] (SPARK-6160) ChiSqSelector should keep test statistic info

    [ https://issues.apache.org/jira/browse/SPARK-6160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15475709#comment-15475709 ] 

Peng Meng commented on SPARK-6160:
----------------------------------

hi Joseph K. Bradley

> ChiSqSelector should keep test statistic info
> ---------------------------------------------
>
>                 Key: SPARK-6160
>                 URL: https://issues.apache.org/jira/browse/SPARK-6160
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>            Reporter: Joseph K. Bradley
>            Priority: Minor
>
> It is useful to have the test statistics explaining selected features, but these data are thrown out when constructing the ChiSqSelectorModel.  The data are expensive to recompute, so the ChiSqSelectorModel should store and expose them.



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