I have some code to do this; I keep meaning to clean it up and put it on CRAN, but it's fairly hard work to do it right. I also thought I heard a rumor that there would be something like that in MASS4. There should be a version on http://www.zoo.ufl.edu/bolker/R (subdirectories src and windows), let me know how it goes for you ...
Ben On Thu, 23 Jan 2003, Steve Roberts wrote: > Greetings, > > Before I reinvent the wheel has anyone done a profile function for a > fit using optim (or nlm)? (like the buggy profile.ms in S+) . It > seems a bit tricky as the function to be minimised has to have > arguments corresponding to the variables being fitted - which is one > less than the function provided to optim()... I guess you can create > another function on the fly somehow. > > Cheers, > > Steve. > Dr Steve Roberts > [EMAIL PROTECTED] > > Biostatistics Group, > School of Epidemiology and Health Sciences, > 2nd Floor,Stopford Building, > University of Manchester. > M13 9PT. > Tel: 0161 275 5192 FAX: 0161 275 5205 > > ______________________________________________ > [EMAIL PROTECTED] mailing list > http://www.stat.math.ethz.ch/mailman/listinfo/r-help > -- 318 Carr Hall [EMAIL PROTECTED] Zoology Department, University of Florida http://www.zoo.ufl.edu/bolker Box 118525 (ph) 352-392-5697 Gainesville, FL 32611-8525 (fax) 352-392-3704 ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help
