Re[2]: non linear regressions and histograms.
- From: Alan G Isaac <aisaac american edu>
- To: "gnumeric-list gnome org" <gnumeric-list gnome org>
- Subject: Re[2]: non linear regressions and histograms.
- Date: Tue, 10 Jan 2006 09:25:39 -0500
On Tue, Jean wrote:
I have made some work on non linear regression curves in
graphs, and
especially in histograms. As a sample, I implemented a gaussian fit. The
patch is available, for interested people, at:
http://jean.brefort.free.fr/histograms-regs.patch (~30kB).
On Tue, 10 Jan 2006 Martin msevior physics unimelb edu au apparently wrote:
This is great! Physicists often need to fit complex
functions to data.
However these are often so complex that they really need to be compiled
against a library. I was wondering if it were possible to write a really
well documented plugin that uses "C-minuit"
http://c-minuit.sourceforge.net/
so that sophisticated users could code their own fitting routine.
Just a crazy idea.
Not crazy at all.
The core idea:
free software should try to leverage the existing code base.
In my view, the right way to do this would be to rely on NumPy.
http://www.numpy.org/
This is feasible, would prove very user friendly,
and has lots of useful stuff already in place.
But the choice is not as important as *a* choice.
Cheers,
Alan Isaac
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