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https://issues.apache.org/jira/browse/SPARK-3001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14095207#comment-14095207
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Apache Spark commented on SPARK-3001:
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User 'mengxr' has created a pull request for this issue:
https://github.com/apache/spark/pull/1917
> Improve Spearman's correlation
> ------------------------------
>
> Key: SPARK-3001
> URL: https://issues.apache.org/jira/browse/SPARK-3001
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.1.0
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
>
> The current implementation requires sorting individual columns, which could
> be done with a global sort.
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