[R] formula for nls

Jarek Jasiewicz jarekj at amu.edu.pl
Wed Jan 23 20:58:42 CET 2008


Hi!

How to write in model's formula of type:

nls(y~k/(x^n), data=data, start=list(k=1,n=1))
i.e the problem is on x^n, I(x^n) generate error

thanks
Jarek



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