Re: [R] nlrob(...) returns error message

2011-05-16 Thread David Winsemius
On May 16, 2011, at 4:19 PM, Timo Schlaefer wrote: Dear all, I implemented a non-linear model using nls(...) and it works just fine. I now tried to run the same model using nlrob(...) which basically does the same but uses a more robust estimation procedure. My problem: I cannot seem to

[R] nlrob(...) returns error message

2011-05-16 Thread Timo Schlaefer
Dear all,   I implemented a non-linear model using nls(...) and it works just fine. I now tried to run the same model using nlrob(...) which basically does the same but uses a more robust estimation procedure. My problem: I cannot seem to get nlrob(...) running. Irrespective of how I try to call