[jira] Commented: (HIVE-1549) Add ANSI SQL correlation aggregate function CORR(X,Y).

["John Sichi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-1549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12899538#action_12899538 ] 

John Sichi commented on HIVE-1549:
----------------------------------

Note HIVE-1545.  Jonathan Chang (from Facebook data science) dropped in a bunch of code there which may or may not be reelvant.


> 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
>
>   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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