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https://issues.apache.org/jira/browse/HIVE-2238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edward Capriolo updated HIVE-2238:
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Status: Open (was: Patch Available)
> Support for Median and Mode UDAFs
> ---------------------------------
>
> Key: HIVE-2238
> URL: https://issues.apache.org/jira/browse/HIVE-2238
> Project: Hive
> Issue Type: New Feature
> Components: UDF
> Reporter: Travis Powell
> Labels: patch
> Attachments: HIVE-2238.1.patch.txt, input.txt, median.q,
> median.q.out, mode.q, mode.q.out
>
>
> Median and Mode are essential functions for reducing/refining the data set,
> and would allow for greater control over the selection of data. More involved
> analytics are probably best handled by relational databases or OLAP cubes,
> but Median and Mode are very practical for Hive solely in terms of delivering
> a smaller data set, where items selected only have a certain mode. (Rows that
> describe an object to which the table is joined where that object has a
> column value frequency threshold.)
> Comments are more than welcome. Would be happy to support.
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