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From "Jared Becksfort (JIRA)" <>
Subject [jira] [Commented] (MATH-816) Multivariate Normal Mixture Models
Date Tue, 23 Oct 2012 00:36:12 GMT


Jared Becksfort commented on MATH-816:


I just got back in town.  I will try to modify the test tomorrow and submit.

> Multivariate Normal Mixture Models
> ----------------------------------
>                 Key: MATH-816
>                 URL:
>             Project: Commons Math
>          Issue Type: New Feature
>            Reporter: Jared Becksfort
>            Priority: Minor
>             Fix For: 3.2
>         Attachments:,,,
>   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
> >
> > 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
> If you run into any problems, please do not hesitate to ask on this mailing list.
> Cheers, Mikkel.

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