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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2016/10/30 09:36:58 UTC
[jira] [Resolved] (SPARK-3261) KMeans clusterer can return
duplicate cluster centers
[ https://issues.apache.org/jira/browse/SPARK-3261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen resolved SPARK-3261.
------------------------------
Resolution: Fixed
Fix Version/s: 2.1.0
Issue resolved by pull request 15450
[https://github.com/apache/spark/pull/15450]
> 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
> Fix For: 2.1.0
>
>
> 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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