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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:12:43 UTC

[jira] [Resolved] (SPARK-21423) MODE average aggregate function.

     [ https://issues.apache.org/jira/browse/SPARK-21423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-21423.
----------------------------------
    Resolution: Incomplete

> MODE average aggregate function.
> --------------------------------
>
>                 Key: SPARK-21423
>                 URL: https://issues.apache.org/jira/browse/SPARK-21423
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Mathew Wicks
>            Priority: Minor
>              Labels: bulk-closed
>
> Having a MODE() aggregate function which returns the mode average of a group/window would be very useful. 
> For example, if the column type is a number, it finds the most common number, and if the column type is a string, it finds the most common string.
> I appreciate that doing this in a scalable way will require some thinking/discussion.



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