Re: [R] lmer() and $ operator is invalid for atomic vectors

Dear Angela, I think you have to omit the last lamba in the lmer code. Is there a reason for putting it there? lmer.lamda - lmer(lamda ~ Age*Item + ( 1 | Subject), data=new4) HTH, Thierry ir. Thierry Onkelinx

[R] lmer() and $ operator is invalid for atomic vectors

Hi all, I am a bit mystified by this error message that I get when I try to apply lmer() to a simple dataset with one between factor (age) and one within factor (item): $ operator is invalid for atomic vectors I'll just provide the code, because I don't see where the problem is: