Use "try" to capture error messages without breaking the loop. ?try
-------------------------------------------------------------------------- Ravi Varadhan, Ph.D. Assistant Professor, The Center on Aging and Health Division of Geriatric Medicine and Gerontology Johns Hopkins University Ph: (410) 502-2619 Fax: (410) 614-9625 Email: [EMAIL PROTECTED] Webpage: http://www.jhsph.edu/agingandhealth/People/Faculty/Varadhan.html -------------------------------------------------------------------------- > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:r-help- > [EMAIL PROTECTED] On Behalf Of Pryseley Assam > Sent: Wednesday, June 28, 2006 12:18 PM > To: R-Users > Subject: [R] lme convergence > > Dear R-Users, > > Is it possible to get the covariance matrix from an lme model that did > not converge ? > > I am doing a simulation which entails fitting linear mixed models, using > a "for loop". > Within each loop, i generate a new data set and analyze it using a mixed > model. The loop stops When the "lme function" does not converge for a > simulated dataset. I want to inquire if there is a method to suppress the > error message from the lme function, or better still, a way of going about > this issue of the loop ending once the lme function does not converge. > > Thanks in advance, > Pryseley > > > --------------------------------- > > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting- > guide.html ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
