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https://issues.apache.org/jira/browse/SPARK-16237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15353495#comment-15353495
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Vladimir Feinberg commented on SPARK-16237:
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cc [~mengxr] [~thunterdb] [~josephkb] Comments re exposing {{gapply()}}?
> PySpark gapply
> --------------
>
> Key: SPARK-16237
> URL: https://issues.apache.org/jira/browse/SPARK-16237
> Project: Spark
> Issue Type: New Feature
> Components: PySpark, SQL
> Reporter: Vladimir Feinberg
>
> To maintain feature parity, `gapply` functionality should be added to
> `pyspark`'s `GroupedData` with an interface.
> The implementation already exists because it fulfilled a need in another
> package:
> https://github.com/vlad17/spark-sklearn/blob/master/python/spark_sklearn/group_apply.py
> It needs to be migrated (to become a GroupedData method, the first argument
> now to be called self).
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