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https://issues.apache.org/jira/browse/SPARK-7127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14588918#comment-14588918
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Joseph K. Bradley commented on SPARK-7127:
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I'll try to!  Catching up on cleanup items backed up during the release, but 
will try to catch up on PR reviews ASAP.

> Broadcast spark.ml tree ensemble models for predict
> ---------------------------------------------------
>
>                 Key: SPARK-7127
>                 URL: https://issues.apache.org/jira/browse/SPARK-7127
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 1.4.0
>            Reporter: Joseph K. Bradley
>            Priority: Minor
>
> GBTRegressor/Classifier and RandomForestRegressor/Classifier should broadcast 
> models and then predict.  This will mean overriding transform().
> Note: Try to reduce duplicated code via the TreeEnsembleModel abstraction.



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