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https://issues.apache.org/jira/browse/IMPALA-12794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18016876#comment-18016876
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Michael Smith commented on IMPALA-12794:
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I'm trying to understand the motivation behind this feature. Is it to have a
function equivalent to Hive's {{regr_avgx}} at
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF? Are there
plans to add any of the other regr functions?
> Average Independent Variable Calculator for Linear Regression: regr_avgx()
> support in Impala
> --------------------------------------------------------------------------------------------
>
> Key: IMPALA-12794
> URL: https://issues.apache.org/jira/browse/IMPALA-12794
> Project: IMPALA
> Issue Type: New Feature
> Reporter: Pranav Yogi Lodha
> Assignee: Pranav Yogi Lodha
> Priority: Major
>
> regr_avgx(y, x) computes the average of the independent variable after
> eliminating pairs containing NULL.
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