[jira] [Commented] (SPARK-16237) PySpark gapply

["Vladimir Feinberg (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-16237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15353495#comment-15353495 ] 

Vladimir Feinberg commented on SPARK-16237:
-------------------------------------------

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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