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https://issues.apache.org/jira/browse/SPARK-11730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15025084#comment-15025084
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Joseph K. Bradley commented on SPARK-11730:
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OK, following Friedman sounds good. : )
I agree it'd be nice to wait for GBT to be moved to spark.ml.
> Feature Importance for GBT
> --------------------------
>
> Key: SPARK-11730
> URL: https://issues.apache.org/jira/browse/SPARK-11730
> Project: Spark
> Issue Type: New Feature
> Components: ML, MLlib
> Reporter: Brian Webb
>
> Random Forests have feature importance, but GBT do not. It would be great if
> we can add feature importance to GBT as well. Perhaps the code in Random
> Forests can be refactored to apply to both types of ensembles.
> See https://issues.apache.org/jira/browse/SPARK-5133
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