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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2018/11/22 21:46:00 UTC

[jira] [Resolved] (SPARK-25867) Remove KMeans computeCost

     [ https://issues.apache.org/jira/browse/SPARK-25867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved SPARK-25867.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 3.0.0

Issue resolved by pull request 22875
[https://github.com/apache/spark/pull/22875]

> Remove KMeans computeCost
> -------------------------
>
>                 Key: SPARK-25867
>                 URL: https://issues.apache.org/jira/browse/SPARK-25867
>             Project: Spark
>          Issue Type: Task
>          Components: ML
>    Affects Versions: 3.0.0
>            Reporter: Marco Gaido
>            Assignee: Marco Gaido
>            Priority: Major
>              Labels: 3.0.0
>             Fix For: 3.0.0
>
>
> {{computeCost}} was introduced because we had no better way to evaluate clustering algorithms. Since now we have better evaluation methods, it was deprecated in 2.4, with the promise of removing it in 3.0. This ticket fulfills the promise of removing it in 3.0.



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