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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/09/03 14:12:20 UTC

[jira] [Commented] (SPARK-3261) KMeans clusterer can return duplicate cluster centers

    [ https://issues.apache.org/jira/browse/SPARK-3261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15461156#comment-15461156 ] 

Apache Spark commented on SPARK-3261:
-------------------------------------

User 'srowen' has created a pull request for this issue:
https://github.com/apache/spark/pull/14948

> 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
>            Assignee: Sean Owen
>            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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