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https://issues.apache.org/jira/browse/SPARK-6160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14372256#comment-14372256
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Joseph K. Bradley commented on SPARK-6160:
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I think that sounds reasonable.
> ChiSqSelector should keep test statistic info
> ---------------------------------------------
>
> Key: SPARK-6160
> URL: https://issues.apache.org/jira/browse/SPARK-6160
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.3.0
> 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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