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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-816) Multivariate Normal Mixture Models
Date Fri, 19 Oct 2012 11:08:12 GMT

    [ https://issues.apache.org/jira/browse/MATH-816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479956#comment-13479956
] 

Gilles commented on MATH-816:
-----------------------------

Initial commit of the code, [as agreed on the ML|http://markmail.org/message/3uwilnca3bctcujc],
in revision 1400040.

Jared,
Please submit a patch with a new sampling test that would use the other version (currently
commented-out) of the "reseedRandomGenerator" method. Thanks.

                
> Multivariate Normal Mixture Models
> ----------------------------------
>
>                 Key: MATH-816
>                 URL: https://issues.apache.org/jira/browse/MATH-816
>             Project: Commons Math
>          Issue Type: New Feature
>            Reporter: Jared Becksfort
>            Priority: Minor
>         Attachments: MixtureMultivariateRealDistribution.java, MixtureMultivariateRealDistribution.java,
MultivariateNormalMixtureModelDistribution.java, MultivariateNormalMixtureModelDistributionTest.java
>
>   Original Estimate: 1m
>  Remaining Estimate: 1m
>
> I will submit a class for Multivariate Normal Mixture Models.  Not sure it will allow
sampling initially.
> > Hello,
> >
> > I have implemented some classes for multivariate Normal distributions, multivariate
normal mixture models, and an expectation maximization fitting class for the mixture model.
 I would like to submit it to Apache Commons Math.  I still have some touching up to do so
that they fit the style guidelines and implement the correct interfaces.  Before I do so,
I thought I would at least ask if the developers of the project are interested in me submitting
them.
> >
> > Thanks,
> > Jared Becksfort
> Dear Jared,
> Yes, that would be very nice to have such an addition! Remember to also include unit
tests (refer to the current ones for examples). The best would be to split a submission up
into multiple minor ones, each covering a natural submission (e.g. multivariate Normal distribution
in one submission), and create an issue as described at http://commons.apache.org/math/issue-tracking.html
.
> If you run into any problems, please do not hesitate to ask on this mailing list.
> Cheers, Mikkel.

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