Steven Vamosi <smvamosi <at> gmail.com> writes: > In a nutshell, the experiment involved presenting females from two > groups (treatment, control) with an opportunity to mate with a virgin > male every 6 hours for 48 hours. Every female was presented this > opportunity at every time step (i.e., whether or not she mated at 6 > hr, she was again presented with a male at 12 hr, and so on).
..... > female group mass time mate > 1 control 5.7 0 1 > 1 control 5.7 6 1 ..... > How, then, to determine whether treatment females display different > mating patterns over time than control females? Here's my crack at it: > > foo1 <- lmer2(mate ~ group * mass * time + (time | female), family=binomial) > And what happened post-crack? Error ~."..singular"? In case, did you try to replace the * by + as a first try? Dieter ______________________________________________ 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.
