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https://issues.apache.org/jira/browse/SPARK-8587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14600079#comment-14600079
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Rakesh Chalasani commented on SPARK-8587:
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+1 for this.
But we can't do what you did in the above PR for Java/ Scala. Its better to
have a different function, "computeDistance". I will send a different PR for
that.
> Return cost and cluster index KMeansModel.predict
> -------------------------------------------------
>
> Key: SPARK-8587
> URL: https://issues.apache.org/jira/browse/SPARK-8587
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Reporter: Sam Stoelinga
> Priority: Minor
>
> Looking at PySpark the implementation of KMeansModel.predict
> https://github.com/apache/spark/blob/master/python/pyspark/mllib/clustering.py#L102
> :
> Currently:
> it calculates the cost of the closest cluster and returns the index only.
> My expectation:
> Easy way to let the same function or a new function to return the cost with
> the index.
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