[jira] [Commented] (MATH-815) Multivariate Normal Distribution

["Gilles (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MATH-815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479924#comment-13479924 ] 

Gilles commented on MATH-815:
-----------------------------

Added method "getDimension()" to the "MultivariateRealDistribution" interface (revision 
1400017).
                
> Multivariate Normal Distribution
> --------------------------------
>
>                 Key: MATH-815
>                 URL: https://issues.apache.org/jira/browse/MATH-815
>             Project: Commons Math
>          Issue Type: New Feature
>            Reporter: Jared Becksfort
>            Priority: Minor
>             Fix For: 3.1
>
>         Attachments: acm_mvn_0807.zip, MultivariateNormalDistribution.java, MultivariateNormalDistribution.java.patch, MultivariateNormalDistributionTest.java, MultivariateNormalDistributionTest.java, MultivariateNormalDistributionTest.java.patch, mvn2.tgz, mvn3.zip, mvn4.zip, mvn.tgz, patch
>
>   Original Estimate: 1m
>  Remaining Estimate: 1m
>
> I will submit a class for Multivariate Normal Distributions.  Not sure if 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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