On Tue, Mar 20, 2012 at 4:24 AM, Berend Hasselman <b...@xs4all.nl> wrote: > > > On 20-03-2012, at 01:01, FU-WEN LIANG wrote: > > > Dear R-users, > > > > I use the "nleqslv" function to get parameter estimates by solving a > > system > > of non-linear equations. But I also need standard error for each of > > estimates. I checked the nleqslv manual but it didn't mention about SE. > > Is there any way to get the SE for each estimate? > > nleqslv is for solving a nonlinear system of equations. Only that. > If you provide a system of equations for determining standard errors then > nleqslv might be able to solve that system. > You can use nleqslv to investigate the sensitivity of a solution wrt > changes in parameters. > > Berend >
Thank you very much for your advice, Berend. Would you please give me a hint about "the sensitivity of a solution wrt changes in parameters"? What statistics can we use? Thank you. Fu-Wen ______________________________________________ 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.