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https://issues.apache.org/jira/browse/SPARK-14352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15849971#comment-15849971
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holdenk commented on SPARK-14352:
---------------------------------
[~hyukjin.kwon] - I'm still waiting on getting my JIRA account set up to be
able to assign issues on close, I'll bug people next week at the summit and
follow up with this and the other two.
> approxQuantile should support multi columns
> -------------------------------------------
>
> Key: SPARK-14352
> URL: https://issues.apache.org/jira/browse/SPARK-14352
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: zhengruifeng
>
> It will be convenient and efficient to calculate quantiles of multi-columns
> with approxQuantile.
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