[ https://issues.apache.org/jira/browse/SPARK-11850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davies Liu closed SPARK-11850. ------------------------------ Resolution: Not A Problem > Spark StdDev/Variance defaults are incompatible with Hive > --------------------------------------------------------- > > Key: SPARK-11850 > URL: https://issues.apache.org/jira/browse/SPARK-11850 > Project: Spark > Issue Type: Sub-task > Components: SQL > Affects Versions: 1.6.0 > Reporter: Herman van Hovell > > The {{stddev}} and {{variance}} functions currently defaults to the 'sample' > version whereas Hive uses the 'population' version for this. See: > * > https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-Built-inAggregateFunctions(UDAF) > * > https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala#L192-L196 > Is this on purpose? Or by accident? -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org