Hi, I am using nls() with the form: nls(~my.fcn(...)) because I have to iteratively compute the expected y values. The function my.fcn() returns y.obs-y.pred
However, I want to fix some of the parameters in my.fcn at various values and compute the parameter estimates. In Splus there is such a thing as a parameterized dataframe. I don't think this exists in R so does anyone know how to set one or more of the parameters as constants in the model? Thank you. Jeff Breiwick ______________________________________________ [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
