[R] nls

Gregory BENMENZER gregory.benmenzer at gazdefrance.com
Mon Feb 10 10:18:05 CET 2003


Hello,

I want to estimate parameters of the model y=a/x with x=1:10 and y=3/x.
I tested the NLS function.

Could you tell me why it doesn't converge ?

Regards,

Grégory Benmenzer

> x=1:10
> y=3/x
> nls(y~a/x, start=list(a=2), control=nls.control(maxiter=100))
Error in nls(y ~ a/x, start = list(a = 2), control = nls.control(maxiter = 100)) :
        number of iterations exceeded maximum of 100
>




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