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https://issues.apache.org/jira/browse/SPARK-9612?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhengruifeng resolved SPARK-9612.
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Resolution: Fixed
> Add instance weight support for GBTs
> ------------------------------------
>
> Key: SPARK-9612
> URL: https://issues.apache.org/jira/browse/SPARK-9612
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Reporter: Joseph K. Bradley
> Assignee: zhengruifeng
> Priority: Minor
> Labels: bulk-closed
>
> GBT support for instance weights could be handled by:
> * sampling data before passing it to trees
> * passing weights to trees (requiring weight support for trees first, but
> probably better in the end)
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