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Posted to issues@calcite.apache.org by "Julian Hyde (Jira)" <ji...@apache.org> on 2022/04/27 06:33:00 UTC

[jira] [Commented] (CALCITE-1776) Implement CORR and REGR_* aggregate functions

    [ https://issues.apache.org/jira/browse/CALCITE-1776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17528575#comment-17528575 ] 

Julian Hyde commented on CALCITE-1776:
--------------------------------------

I'm rebasing PR 793 as [julianhyde/1776-corr|https://github.com/julianhyde/calcite/tree/1776-corr]. It's holding up pretty well for a 4-year old PR. Can someone review when I'm done?

> Implement CORR and REGR_* aggregate functions
> ---------------------------------------------
>
>                 Key: CALCITE-1776
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1776
>             Project: Calcite
>          Issue Type: New Feature
>            Reporter: Dmitri Shtilman
>            Priority: Minor
>              Labels: pull-request-available
>
> Implement correlation coefficient aggregate: CORR
> As well as the missing regression aggregates:
> REGR_SLOPE, REGR_INTERCEPT, REGR_COUNT, REGR_R2, REGR_AVGX, REGR_AVGY, REGR_SXY
> For reference, REGR_SXX and REGR_SYY have been added in [CALCITE-422]



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