Re: polynomial regression

[Jean Bréfort <jean brefort normalesup org>]

Le jeudi 19 octobre 2006 �5:48 -0400, David Ronis a �it :
> I just had a question about using gnumeric to fit a polynomial to some
> data.  Apparently in excel, once you've plotted some data all it takes
> is a right-click or so and it does it all automatically (I don't have
> excel and so I'm not 100% sure this is true).  
> 
> I know how to do a linear regression in gnumeric.  How about a
> polynomial regression?  Clearly this is still linear, although a system
> of equations must be solved for the coefficients.  Does this exist?

Yes, this is implemented in gnumeric too (>= 1.6.0 AFAIK), and it works
mostly as in excel. In a plot, just choose polynomial as trend line
type.


> I don't subscribe to the list and would appreciate a CC of any answer.
> 
> Thanks
> 
> David
> 
> 
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