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From Gilles Sadowski <>
Subject Re: [Math] Issue 348
Date Sun, 07 Mar 2010 22:18:32 GMT

> Hmm... no this is not dependent on CM.  This is an example that I wrote in 3
> minutes to illustrate the point.
> I think the confusion is that I assumed that commons.math distributions
> supported sampling.  I don't think that capability is available even now
> (although a user contributed patches months ago to do that).  My example is
> geared towards that.

Where has this patch gone?

> The problem is probably mine.  I haven't been using commons math since the
> Mahout project decided that it wasn't usable for our needs and I assumed
> that this basic capability was available.
> If distributions are viewed only as a pure function that computes the
> density and cumulative distribution function, then what I say has no
> utility, but then again, without sampling distributions are also much less
> useful.

So, maybe this should be the starting point: adding this feature to the
distribution classes. Which gets back to the above question...


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