Re: curve fitting?

[i7tiol t-online de]

On Thu, Jun 16, 2005 at 08:11:50AM +0200, wen wrote:
> Hi,
> is there a possibility to do curve-fitting within  (or outside) a
> gnumeric-chart? I can't find that function nor any information on the
> web (and the mails in this list i found about that topic are at least 3
> years old).
>
>
> What i mean:
> I plotted data points in a chart and would like gnumeric to plot -for
> example- the polynomial of second order that fits best (and to output
> the parameters of that polynom).

You could do some fitting outside charts using regression
functions. Though there is none for polynomials you could use the
multiple linear regression tool and feed it with your x's and the
squared x's for a second degree polynomial.