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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 reassigned SPARK-23217:
---------------------------------

    Assignee: Marco Gaido

> 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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