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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/08/09 08:14:46 UTC
[jira] [Assigned] (SPARK-9673) Use unbiased standard deviation in
DataFrame.describe
[ https://issues.apache.org/jira/browse/SPARK-9673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-9673:
-----------------------------------
Assignee: Burak Yavuz (was: Apache Spark)
> Use unbiased standard deviation in DataFrame.describe
> -----------------------------------------------------
>
> Key: SPARK-9673
> URL: https://issues.apache.org/jira/browse/SPARK-9673
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.5.0
> Reporter: Xiangrui Meng
> Assignee: Burak Yavuz
> Priority: Trivial
>
> It is common to compute unbiased standard deviation in statistics. Though is doesn't matter much for big data, it is nice to be consistent with existing statistics tools.
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