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https://issues.apache.org/jira/browse/SPARK-23217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-23217.
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Resolution: Fixed
Fix Version/s: 2.4.0
Issue resolved by pull request 20396
[https://github.com/apache/spark/pull/20396]
> Add cosine distance measure to ClusteringEvaluator
> --------------------------------------------------
>
> Key: SPARK-23217
> URL: https://issues.apache.org/jira/browse/SPARK-23217
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.3.0
> Reporter: Marco Gaido
> Assignee: Marco Gaido
> Priority: Major
> Fix For: 2.4.0
>
> Attachments: SPARK-23217.pdf
>
>
> SPARK-22119 introduced the cosine distance measure for KMeans. Therefore it
> would be useful to provide also an implementation of ClusteringEvaluator
> using the cosine distance measure.
>
> Attached you can find a design document for it.
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