Re: [R] Extract Df under lme4 George W. Gilchrist wrote: > I need to extract the degrees of freedom and log likelihoods from a   > series of mixed models computed using lmer/lme4. If I ask for logLik  > (lmer.object), I get something like >  > logLik(lmer.object) > 'log Lik.' -177.1000 (df=10) >  > Can I easily get that df from there (or elsewhere) into an object?   > Thank you for any ideas.   The help page for logLik() suggests the following: > library(lme4) > fm1 <- lmer(Reaction ~ Days + (Days|Subject), sleepstudy) > logLik(fm1) 'log Lik.' -871.8141 (df=5) > attr(logLik(fm1), "df") [1] 5 > George >  > .................................................................. > George W. Gilchrist                           Email: gwgilc@wm.edu > Director of Graduate Studies                 Phone: (757) 221-7751 > Department of Biology, Box 8795                Fax: (757) 221-6483 > College of William & Mary > Williamsburg, VA 23187-8795 > http://gwgilc.people.wm.edu/ >  >  >  > 	[[alternative HTML version deleted]] >  > ______________________________________________ > R-help@stat.math.ethz.ch 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. --  Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 ______________________________________________ R-help@stat.math.ethz.ch 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.