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https://issues.apache.org/jira/browse/MATH-815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422126#comment-13422126
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Gilles edited comment on MATH-815 at 7/25/12 9:41 AM:
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bq. I used "sigma" because that is the argument name in a lot of R routines.
This (API) is an important issue to raise on the "dev" list.
was (Author: erans):
bq. I used "sigma" because that is the argument name in a lot of R routines.
This (API) is an important issue to ask on the "dev" list.
> 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
> Attachments: mvn.tgz, mvn2.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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