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From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1549) Add ANSI SQL correlation aggregate function CORR(X,Y).
Date Thu, 19 Aug 2010 20:54:17 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12900450#action_12900450

John Sichi commented on HIVE-1549:

Hmmm, looking more closely...your patch includes changes to udaf_cover_pop.q.out and covar_samp.q.out
(and those include conflict markers, which should never be there in a submitted patch).  But
this change shouldn't actually affect those files at all, right?  I think if you just revert
those before svn diff, all should be well.

> Add ANSI SQL correlation aggregate function CORR(X,Y).
> ------------------------------------------------------
>                 Key: HIVE-1549
>                 URL: https://issues.apache.org/jira/browse/HIVE-1549
>             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-1549.1.patch, HIVE-1549.2.patch, HIVE-1549.3.patch
>   Original Estimate: 120h
>  Remaining Estimate: 120h
> Aggregate function that computes the Pearson's coefficient of correlation between a set
of number pairs.

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