> Hi,
>
> 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).
>
> There are probably other distributions that it might be interesting to
> implement in the same way (any suggestion?).
>
> I do not know if R2 can be evaluated for such a regression, and even
> what it would mean, so it is not enabled in that case.
> I also fixed go_non_linear_regression to make it work. BTW, should we
> keep the same code in gnumeric (current situation) or should gnumeric
> use the functions in go-regression.c?
>
> Waiting for your comments and suggestions.
>
Hi Jean,
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.
Cheers
Martin
> Cheers,
> Jean
>
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