"Rundle, Daniel" <[EMAIL PROTECTED]> writes: > Dear R Community, > > I am attempting to perform a weighted non-linear least squares fit. > It has already been noted that the weights option is not yet > implemented for the nls function, but no one seems to offer any > suggestions for getting around this problem. I am still curious if > a) anyone has code they have written which includes a weight options > for nls, or b) if there is another model which would allow least > squares fitting to a non-linear function. >
gnls in the nlme package. Or follow the example on help(nls) immediately after the ## weighted nonlinear regression (!) -- O__ ---- Peter Dalgaard Ă˜ster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
