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Posted to issues@spark.apache.org by "Davies Liu (JIRA)" <ji...@apache.org> on 2016/04/22 22:13:12 UTC

[jira] [Resolved] (SPARK-10129) math function: stddev_samp

     [ https://issues.apache.org/jira/browse/SPARK-10129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Davies Liu resolved SPARK-10129.
--------------------------------
    Resolution: Not A Problem

> math function: stddev_samp
> --------------------------
>
>                 Key: SPARK-10129
>                 URL: https://issues.apache.org/jira/browse/SPARK-10129
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>            Reporter: Davies Liu
>
> Use the STDDEV_SAMP function to return the standard deviation of a sample variance.
> http://www-01.ibm.com/support/knowledgecenter/SSPT3X_3.0.0/com.ibm.swg.im.infosphere.biginsights.bigsql.doc/doc/bsql_stdev_samp.html



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