You have hardly given us any information for us to be able to help you. Give us more information on your problem, and, if possible, a minimal, self-contained example of what you are trying to do.
Ravi. ____________________________________________________________________ Ravi Varadhan, Ph.D. Assistant Professor, Division of Geriatric Medicine and Gerontology School of Medicine Johns Hopkins University Ph. (410) 502-2619 email: rvarad...@jhmi.edu ----- Original Message ----- From: R_help Help <rhelp...@gmail.com> Date: Thursday, October 29, 2009 8:24 pm Subject: [R] Fast optimizer To: r-help@r-project.org, r-sig-fina...@stat.math.ethz.ch > Hi, > > I'm using optim with box constraints to MLE on about 100 data points. > It goes quite slow even on 4GB machine. I'm wondering if R has any > faster implementation? Also, if I'd like to impose > equality/nonequality constraints on parameters, which package I should > use? Any help would be appreciated. Thank you. > > rc > > ______________________________________________ > R-help@r-project.org mailing list > > PLEASE do read the posting guide > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.