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Date: Thu, 12 Aug 2010 18:09:19 -0400 (EDT)
From: "Pierre Huyn (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Subject: [jira] Updated: (HIVE-1529) Add covariance aggregate function
 covar_pop and covar_samp
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     [ https://issues.apache.org/jira/browse/HIVE-1529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pierre Huyn updated HIVE-1529:
------------------------------

    Status: Patch Available  (was: Open)

This is the initial release of the covariance generic UDAFs, covar_pop and covar_samp.

> Add covariance aggregate function covar_pop and covar_samp
> ----------------------------------------------------------
>
>                 Key: HIVE-1529
>                 URL: https://issues.apache.org/jira/browse/HIVE-1529
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>    Affects Versions: 0.7.0
>            Reporter: Pierre Huyn
>            Assignee: Pierre Huyn
>             Fix For: 0.7.0
>
>         Attachments: HIVE-1529.1.patch
>
>   Original Estimate: 96h
>  Remaining Estimate: 96h
>
> Create new built-in aggregate functions covar_pop and covar_samp, functions commonly used in statistical data analyses.

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