[jira] [Commented] (DRILL-556) Implement aggregate functions to compute standard deviation, variance

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13977634#comment-13977634 ] 

ASF GitHub Bot commented on DRILL-556:
--------------------------------------

GitHub user mehant opened a pull request:

    https://github.com/apache/incubator-drill/pull/56

    DRILL-556: Implement aggregate functions.

    Following aggregate functions are added.
    stddev()
    stddev_samp()
    stddev_pop()
    variance()
    var_samp()
    var_pop()

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/mehant/incubator-drill aggregate_functions

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-drill/pull/56.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #56
    
----
commit e4665ec40a047253077540d07d2610b98b41f4fc
Author: Mehant Baid <me...@gmail.com>
Date:   2014-04-22T23:42:06Z

    DRILL-556: Implement the following aggregate functions.
    stddev()
    stddev_samp()
    stddev_pop()
    variance()
    var_samp()
    var_pop()

----


> Implement aggregate functions to compute standard deviation, variance
> ---------------------------------------------------------------------
>
>                 Key: DRILL-556
>                 URL: https://issues.apache.org/jira/browse/DRILL-556
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Mehant Baid
>            Assignee: Mehant Baid
>
> Following are the aggregate functions to be added as part of this JIRA
> stddev()
> stddev_samp()
> stddev_pop()
> variance()
> var_samp()
> var_pop()



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