You are viewing a plain text version of this content. The canonical link for it is here.

Posted to commits@beam.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/08/29 00:02:24 UTC

[jira] [Commented] (BEAM-2612) support variance builtin aggregation function

    [ https://issues.apache.org/jira/browse/BEAM-2612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16144566#comment-16144566 ] 

ASF GitHub Bot commented on BEAM-2612:
--------------------------------------

Github user vectorijk closed the pull request at:

    https://github.com/apache/beam/pull/3568


> support variance builtin aggregation function
> ---------------------------------------------
>
>                 Key: BEAM-2612
>                 URL: https://issues.apache.org/jira/browse/BEAM-2612
>             Project: Beam
>          Issue Type: New Feature
>          Components: dsl-sql
>            Reporter: Kai Jiang
>            Assignee: Kai Jiang
>
> two builtin aggregate functions
> VAR_POP
> the population variance (square of the population standard deviation)
> VAR_SAMP
> the sample variance (square of the sample standard deviation)
> https://calcite.apache.org/docs/reference.html#aggregate-functions



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)