Displaying 1 result from an estimated 1 matches for "shanemcmahon".
2013 Mar 15
2
nlrob and robust nonlinear regression with upper and/or lower bounds on parameters
I have a question regarding robust nonlinear regression with nlrob. I
would like to place lower bounds on the parameters, but when I call
nlrob with limits it returns the following error:
"Error in psi(resid/Scale, ...) : unused argument(s) (lower = list(Asym
= 1, mid = 1, scal = 1))"
After consulting the documentation I noticed that upper and lower are
not listed as parameter in