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https://issues.apache.org/jira/browse/SPARK-15202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shivaram Venkataraman updated SPARK-15202:
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Assignee: Sun Rui
> add dapplyCollect() method for DataFrame in SparkR
> --------------------------------------------------
>
> Key: SPARK-15202
> URL: https://issues.apache.org/jira/browse/SPARK-15202
> Project: Spark
> Issue Type: Sub-task
> Components: SparkR
> Affects Versions: 1.6.1
> Reporter: Sun Rui
> Assignee: Sun Rui
> Fix For: 2.0.0
>
>
> dapplyCollect() applies an R function on each partition of a SparkDataFrame
> and collects the result back to R as a data.frame.
> The signature of dapplyCollect() is as follows:
> {code}
> dapplyCollect(df, function(ldf) {...})
> {code}
> R function input: local data.frame from the partition on local node
> R function output: local data.frame
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