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https://issues.apache.org/jira/browse/SPARK-11223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14983112#comment-14983112
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Raela Wang commented on SPARK-11223:
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It wasn't exactly for debugging purposes. It will be convenient for users to
detect overfitting if they are able to access errors for every model created.
> PySpark CrossValidatorModel does not output metrics for every param in
> paramGrid
> --------------------------------------------------------------------------------
>
> Key: SPARK-11223
> URL: https://issues.apache.org/jira/browse/SPARK-11223
> Project: Spark
> Issue Type: Improvement
> Components: ML, PySpark
> Reporter: Raela Wang
> Priority: Minor
>
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