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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2016/01/26 21:48:40 UTC

[jira] [Updated] (SPARK-9612) Add instance weight support for GBTs

     [ https://issues.apache.org/jira/browse/SPARK-9612?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiangrui Meng updated SPARK-9612:
---------------------------------
    Target Version/s: 2.0.0

> 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: DB Tsai
>            Priority: Minor
>
> 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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