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https://issues.apache.org/jira/browse/SPARK-15196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15299473#comment-15299473
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Sun Rui commented on SPARK-15196:
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As discussed in https://github.com/apache/spark/pull/12966, this has problem of
applying an R function to groups. so close it.
> Add a wrapper for dapply(repartition(col,...), ... )
> ----------------------------------------------------
>
> Key: SPARK-15196
> URL: https://issues.apache.org/jira/browse/SPARK-15196
> Project: Spark
> Issue Type: Sub-task
> Components: SparkR
> Reporter: Narine Kokhlikyan
>
> As mentioned in :
> https://github.com/apache/spark/pull/12836#issuecomment-217338855
> We would like to create a wrapper for: dapply(repartiition(col,...), ... )
> This will allow to run aggregate functions on groups which are identified by
> a list of grouping columns.
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