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https://issues.apache.org/jira/browse/SPARK-10394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng updated SPARK-10394:
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    Shepherd: Joseph K. Bradley

> Make GBTParams use shared "stepSize"
> ------------------------------------
>
>                 Key: SPARK-10394
>                 URL: https://issues.apache.org/jira/browse/SPARK-10394
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 1.5.0
>            Reporter: Yanbo Liang
>            Assignee: Yanbo Liang
>            Priority: Minor
>
> GBTParams has "stepSize" as learning rate currently.
> ML has shared param class "HasStepSize", GBTParams can extend from it rather 
> than duplicated implementation.



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