[jira] [Commented] (SPARK-7241) Pearson correlation for DataFrames

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-7241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524489#comment-14524489 ] 

Apache Spark commented on SPARK-7241:
-------------------------------------

User 'brkyvz' has created a pull request for this issue:
https://github.com/apache/spark/pull/5858

> Pearson correlation for DataFrames
> ----------------------------------
>
>                 Key: SPARK-7241
>                 URL: https://issues.apache.org/jira/browse/SPARK-7241
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Xiangrui Meng
>            Assignee: Burak Yavuz
>
> This JIRA is for computing the Pearson linear correlation for two numerical columns in a DataFrame. The method `corr` should live under `df.stat`:
> {code}
> df.stat.corr(col1, col2, method="pearson"): Double
> {code}
> `method` will be used when we add other correlations.
> Similar to SPARK-7240, UDAF will be added later.



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