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Posted to issues@spark.apache.org by "Jihong MA (JIRA)" <ji...@apache.org> on 2015/09/16 19:52:45 UTC

[jira] [Updated] (SPARK-10641) skewness and kurtosis support

     [ https://issues.apache.org/jira/browse/SPARK-10641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jihong MA updated SPARK-10641:
------------------------------
    Issue Type: Sub-task  (was: New Feature)
        Parent: SPARK-10384

> skewness and kurtosis support
> -----------------------------
>
>                 Key: SPARK-10641
>                 URL: https://issues.apache.org/jira/browse/SPARK-10641
>             Project: Spark
>          Issue Type: Sub-task
>          Components: ML, SQL
>            Reporter: Jihong MA
>
> Implementing skewness and kurtosis support based on following algorithm:
> https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Higher-order_statistics



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