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https://issues.apache.org/jira/browse/SPARK-3261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15545011#comment-15545011
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Apache Spark commented on SPARK-3261:
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User 'srowen' has created a pull request for this issue:
https://github.com/apache/spark/pull/15342
> KMeans clusterer can return duplicate cluster centers
> -----------------------------------------------------
>
> Key: SPARK-3261
> URL: https://issues.apache.org/jira/browse/SPARK-3261
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.0.2
> Reporter: Derrick Burns
> Priority: Minor
> Labels: clustering
>
> This is a bad design choice. I think that it is preferable to produce no
> duplicate cluster centers. So instead of forcing the number of clusters to be
> K, return at most K clusters.
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