Re: trendline fit

[Matt Aylward]

Marcus G. Daniels wrote:

>>>>> "TP" == Tamas Papp <address@hidden> writes:

TP> I'm looking for a solution for fitting a trendline (an equation of
TP> the form y=ax+b) on a set of (x,y) pairs. Any library would do,
TP> the problem is that I don't know any (I haven't done it
TP> before).

TP> It would be nice if it was in some kind of C, and easy to use.
 

I lost the original of this message, hence the `reply to reply'.
I have found GSL, the "Gnu Scientific Libraries " useful for lots of
math problems. i am not sure if they do trendlines but it is very likely
that they do. See:

http://sourceware.cygnus.com/gsl/

Oh, it is is C too.
Cheers,
Matt
 

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