[R] Profile on optim/nlm
ben at zoo.ufl.edu
Thu Jan 23 14:49:03 CET 2003
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 ...
On Thu, 23 Jan 2003, Steve Roberts wrote:
> 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.
> Dr Steve Roberts
> steve.roberts at man.ac.uk
> 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
> R-help at stat.math.ethz.ch mailing list
318 Carr Hall bolker at zoo.ufl.edu
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
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