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From "Joseph K. Bradley (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-6398) Improve utility of GaussianMixture for higher dimensional data
Date Thu, 19 Mar 2015 23:10:39 GMT

     [ https://issues.apache.org/jira/browse/SPARK-6398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joseph K. Bradley updated SPARK-6398:
-------------------------------------
    Summary: Improve utility of GaussianMixture for higher dimensional data  (was: Improve
utility of GaussianMixture for higer dimensional data)

> Improve utility of GaussianMixture for higher dimensional data
> --------------------------------------------------------------
>
>                 Key: SPARK-6398
>                 URL: https://issues.apache.org/jira/browse/SPARK-6398
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>            Reporter: Travis Galoppo
>
> The current EM implementation for GaussianMixture protects itself from numerical instability
at the expense of utility in high dimensions.  A few options exist for extending utility into
higher dimensions.



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