Marco Gaido created SPARK-25867:
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             Summary: 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


{{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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