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Posted to issues-all@impala.apache.org by "Pranav Yogi Lodha (Jira)" <ji...@apache.org> on 2022/05/11 05:14:00 UTC

[jira] [Updated] (IMPALA-11205) Implement Statistical functions : CORR(), COVAR_SAMP() and COVAR_POP()

     [ https://issues.apache.org/jira/browse/IMPALA-11205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pranav Yogi Lodha updated IMPALA-11205:
---------------------------------------
    Summary: Implement Statistical functions : CORR(), COVAR_SAMP() and COVAR_POP()  (was: Implement CORR() function)

> Implement Statistical functions : CORR(), COVAR_SAMP() and COVAR_POP()
> ----------------------------------------------------------------------
>
>                 Key: IMPALA-11205
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11205
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend
>            Reporter: Pranav Yogi Lodha
>            Assignee: Pranav Yogi Lodha
>            Priority: Major
>
> Implement a correlation coefficient function CORR() which will calculate Pearson's correlation coefficient between two columns. It should return a DOUBLE value ranging from 0 to 1 describing the correlation between the two numeric columns.



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