[jira] [Commented] (SPARK-10291) Add statsByKey method to compute StatCounters for each key in an RDD

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-10291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14723944#comment-14723944 ] 

Apache Spark commented on SPARK-10291:
--------------------------------------

User 'eshilts' has created a pull request for this issue:
https://github.com/apache/spark/pull/8539

> Add statsByKey method to compute StatCounters for each key in an RDD
> --------------------------------------------------------------------
>
>                 Key: SPARK-10291
>                 URL: https://issues.apache.org/jira/browse/SPARK-10291
>             Project: Spark
>          Issue Type: New Feature
>          Components: PySpark
>            Reporter: Erik Shilts
>            Priority: Minor
>
> A common task is to summarize numerical data for different groups. Having a `statsByKey` method would simplify this so the user would not have to write the aggregators for all the statistics or manage collecting by key and computing individual StatCounters.
> This should be a straightforward addition to PySpark. I can look into adding to Scala and R if we want to maintain feature parity.



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