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https://issues.apache.org/jira/browse/SPARK-9610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14742064#comment-14742064
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Nickolay Yakushev commented on SPARK-9610:
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Thanks for reply.

> Class and instance weighting for ML
> -----------------------------------
>
>                 Key: SPARK-9610
>                 URL: https://issues.apache.org/jira/browse/SPARK-9610
>             Project: Spark
>          Issue Type: Umbrella
>          Components: ML
>            Reporter: Joseph K. Bradley
>
> This umbrella is for tracking tasks for adding support for label or instance 
> weights to ML algorithms.  These additions will help handle skewed or 
> imbalanced data, ensemble methods, etc.



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