[R] nlme: problem with fitting logistic function

[dave fournier]

I think you can do this very efficiently with AD Model Builder's
random effects module. The software is now freely available at

   http://admb-project.org

If you want, you can contact me directly to discuss the model.

    Dave

-- 
David A. Fournier
P.O. Box 2040,
Sidney, B.C. V8l 3S3
Canada
Phone/FAX 250-655-3364
http://otter-rsch.com