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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/05/06 05:11:59 UTC
[jira] [Commented] (SPARK-7390) CovarianceCounter in StatFunctions
might calculate incorrect result
[ https://issues.apache.org/jira/browse/SPARK-7390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14529813#comment-14529813 ]
Apache Spark commented on SPARK-7390:
-------------------------------------
User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/5931
> CovarianceCounter in StatFunctions might calculate incorrect result
> -------------------------------------------------------------------
>
> Key: SPARK-7390
> URL: https://issues.apache.org/jira/browse/SPARK-7390
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Liang-Chi Hsieh
>
> CovarianceCounter in StatFunctions has a merging stage. In this merge function, the other CovarianceCounter object sometimes has zero count that causes the final CovarianceCounter with incorrect result.
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