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From "Joseph K. Bradley (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-6160) ChiSqSelector should keep test statistic info
Date Wed, 04 Mar 2015 19:12:39 GMT

     [ https://issues.apache.org/jira/browse/SPARK-6160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joseph K. Bradley updated SPARK-6160:
-------------------------------------
    Description: 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.  (was: It is useful
to have the test statistics explaining selected features, but this is thrown out when constructing
the ChiSqSelectorModel.  It is expensive to recompute.  The ChiSqSelectorModel should store
and expose it.)

> 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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