lme error message
On ?, 2009-07-22 at 08:15 +1000, Ken Beath wrote:
On 22/07/2009, at 7:54 AM, Stuart Luppescu wrote:
Running a nested model with lme, and getting this message: Error in MEEM(object, conLin, control$niterEM) : Singularity in backsolve at level 0, block 1 Can anyone explain this?
Usually means that some of the random effects are highly correlated or possibly zero.
Random effects? Only the intercept is random, and in a more restricted model there's tons of variance.
Stuart Luppescu -=- slu .at. ccsr.uchicago.edu University of Chicago -=- CCSR ???????? -=- Kernel 2.6.28-gentoo-r5 Oz: Sometimes when I'm sitting in class...you know, I'm not thinking about class 'cause that would never happen... I think about kissing you. And it's like everything stops, it's like, freeze frame: Willow kissage.