Re: [R] Problems with subsets in NLME

2009-06-25 Thread apjaworski
Rebecca, I think the problem is that subset is a nume of an R function. If you do something like subs <- c(rep(TRUE, 107), FALSE) fm2 <- lme(distance ~ age + Sex, data = Orthodont, random = ~ 1, subset=subs) everything works fine. Hope this helps, Andy __ An

Re: [R] Problems with subsets in NLME

2009-06-25 Thread David Winsemius
On Jun 25, 2009, at 11:35 AM, Rebecca Sela wrote: I am trying to estimate models with subsets using the NLME package. However, I am getting an error in the case below (among others): subset <- c(rep(TRUE, 107), FALSE) fm2 <- lme(distance ~ age + Sex, data = Orthodont, random = ~ 1, subset=