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https://issues.apache.org/jira/browse/MATH-817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jared Becksfort updated MATH-817:
---------------------------------
Attachment: MultivariateNormalMixtureExpectationMaximizationFitterTest.java
MultivariateNormalMixtureExpectationMaximizationFitter.java
math_817.patch
Gilles,
I have attached a new version of the EM fitting code. It is much cleaner
because of your suggestions. The modified files are in the patch file. The
nonversioned files are attached separately.
Let me know if you need anything else.
Jared
> Multivariate Normal Mixture Model Fitting by Expectation Maximization
> ---------------------------------------------------------------------
>
> Key: MATH-817
> URL: https://issues.apache.org/jira/browse/MATH-817
> Project: Commons Math
> Issue Type: New Feature
> Reporter: Jared Becksfort
> Priority: Minor
> Attachments: math_817.patch,
> MultivariateNormalMixtureExpectationMaximizationFitter.java,
> MultivariateNormalMixtureExpectationMaximizationFitterTest.java
>
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> I will submit a class for fitting Multivariate Normal Mixture Models using
> Expectation Maximization.
> > 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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