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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:21:20 UTC

[jira] [Updated] (SPARK-8986) GaussianMixture should take smoothing param

     [ https://issues.apache.org/jira/browse/SPARK-8986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-8986:
--------------------------------
    Labels: bulk-closed  (was: )

> GaussianMixture should take smoothing param
> -------------------------------------------
>
>                 Key: SPARK-8986
>                 URL: https://issues.apache.org/jira/browse/SPARK-8986
>             Project: Spark
>          Issue Type: New Feature
>          Components: ML
>            Reporter: Joseph K. Bradley
>            Priority: Major
>              Labels: bulk-closed
>   Original Estimate: 144h
>  Remaining Estimate: 144h
>
> Gaussian mixture models should take a smoothing parameter which makes the algorithm robust against degenerate data or bad initializations.
> Whomever takes this JIRA should look at other libraries (sklearn, R packages, Weka, etc.) to see how they do smoothing and what their API looks like.  Please summarize your findings here.



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