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https://issues.apache.org/jira/browse/SPARK-17836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei Wang updated SPARK-17836:
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Issue Type: New Feature (was: Bug)
> Use cross validation to determine the number of clusters for EM or KMeans
> algorithms
> ------------------------------------------------------------------------------------
>
> Key: SPARK-17836
> URL: https://issues.apache.org/jira/browse/SPARK-17836
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Reporter: Lei Wang
>
> Sometimes it's not easy for users to determine number of clusters.
> It would be very useful If spark ml can support this.
> There are several methods to do this according to wiki
> https://en.wikipedia.org/wiki/Determining_the_number_of_clusters_in_a_data_set
> Weka uses crossing validation.
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