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https://issues.apache.org/jira/browse/SPARK-11720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jihong MA updated SPARK-11720:
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Description: update the behavior of stats function when count =0 or 1 to
make it in consistent across SPARK-SQL (was: change the default behavior of
mean in case of count = 0 from null to Double.NaN, to make it inline with all
other univariate stats function. )
> Handle edge cases when count = 0 or 1 for Stats function
> --------------------------------------------------------
>
> Key: SPARK-11720
> URL: https://issues.apache.org/jira/browse/SPARK-11720
> Project: Spark
> Issue Type: Sub-task
> Components: ML, SQL
> Reporter: Jihong MA
> Assignee: Jihong MA
> Priority: Minor
>
> update the behavior of stats function when count =0 or 1 to make it in
> consistent across SPARK-SQL
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