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From Gilles Sadowski <>
Subject Re: [math] psychometrics
Date Fri, 02 Sep 2011 13:26:42 GMT

> I have been developing an pure Java application that does a variety
> of psychometric methods. I use the commons math library as much as I
> can but I've also had to develop my own library. I'd like to combine
> the two libraries by donating as much of my code to commons math as
> I can. My library includes features for measurement reliability,
> test scaling, test equating, polychoric correlations, histogram
> computations, kernel regression, etc. Most of these feature are
> specialized to psychometrics, but is there any interest in adding
> them to commons math? Are these methods too specialized for commons
> math?

Can we have a look at the code and documentation?

> If you're interested in seeing the application in action, you can
> download the full program from You'll notice
> that it also uses an Apache derby database for data management.

Is the math code separate from GUI and data management?


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