[R] help: exponential fit?

[Lüdde Mirko]

Hi there, 

I'm quite new to R (and statistics), 
and I like it (both)! 
But I'm a bit lost in all these packages, 
so could someone please give me a hint 
whether there exists a package for fitting 
exponential curves (of the type 
t --> \sum_i a_i \exp( - b_i t)) 
on a noisy signal?
In fact monoexponential decay + polynomial growth
is what I'd like to try.  

Thanks in advance, Mirko. 
--
Dr. M. Luedde <Mirko.Luedde at CellControl.De>
CellControl Biomedical Laboratories AG
Am Klopferspitz 19, 82152 Martinsried
+49-89-895275-0 +49-179-5252064
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