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https://issues.apache.org/jira/browse/SPARK-23528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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holdenk resolved SPARK-23528.
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Resolution: Fixed
Fix Version/s: 2.4.0
Thanks!
> Add numIter to ClusteringSummary
> --------------------------------
>
> Key: SPARK-23528
> URL: https://issues.apache.org/jira/browse/SPARK-23528
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.2.1
> Reporter: Erich Schubert
> Assignee: Marco Gaido
> Priority: Minor
> Fix For: 2.4.0
>
>
> Spark ML should expose vital statistics of the GMM model:
> * *Number of iterations* (actual, not max) until the tolerance threshold was
> hit: we can set a maximum, but how do we know the limit was large enough, and
> how many iterations it really took?
> Follow up: Final log likelihood of the model: if we run multiple times with
> different starting conditions, how do we know which run converged to the
> better fit?
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