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Posted to issues@spark.apache.org by "Narine Kokhlikyan (JIRA)" <ji...@apache.org> on 2015/09/29 01:22:04 UTC

[jira] [Commented] (SPARK-7245) Spearman correlation for DataFrames

    [ https://issues.apache.org/jira/browse/SPARK-7245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14934323#comment-14934323 ] 

Narine Kokhlikyan commented on SPARK-7245:
------------------------------------------

Is there anyone working on this right now ?

> Spearman correlation for DataFrames
> -----------------------------------
>
>                 Key: SPARK-7245
>                 URL: https://issues.apache.org/jira/browse/SPARK-7245
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Xiangrui Meng
>
> Spearman correlation is harder than Pearson to compute.
> ~~~
> df.stat.corr(col1, col2, method="spearman"): Double
> ~~~



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