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https://issues.apache.org/jira/browse/HIVE-607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emil Ibrishimov updated HIVE-607:
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Fix Version/s: 0.4.0
Status: Patch Available (was: Open)
> Create statistical UDFs.
> ------------------------
>
> Key: HIVE-607
> URL: https://issues.apache.org/jira/browse/HIVE-607
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Query Processor
> Reporter: S. Alex Smith
> Assignee: Emil Ibrishimov
> Priority: Minor
> Fix For: 0.4.0
>
> Attachments: HIVE-607.1.patch, UDAFStddev.java
>
>
> Create UDFs replicating:
> STD() Return the population standard deviation
> STDDEV_POP()(v5.0.3) Return the population standard deviation
> STDDEV_SAMP()(v5.0.3) Return the sample standard deviation
> STDDEV() Return the population standard deviation
> SUM() Return the sum
> VAR_POP()(v5.0.3) Return the population standard variance
> VAR_SAMP()(v5.0.3) Return the sample variance
> VARIANCE()(v4.1) Return the population standard variance
> as found at http://dev.mysql.com/doc/refman/5.0/en/group-by-functions.html.
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