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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2016/09/03 14:11:20 UTC

[jira] [Updated] (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 updated SPARK-3261:
-----------------------------
      Assignee: Sean Owen  (was: Derrick Burns)
      Priority: Minor  (was: Major)
    Issue Type: Improvement  (was: Bug)

> 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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