Amazon.com: Linear Mixed-Effects Models Using R: A Step-by-Step Approach (Springer Texts in Statistics): 9781489996671: Gałecki, Andrzej, Burzykowski, Tomasz: Books
Simplified) Linear Mixed Model in R with lme() - YouTube
A Practical Guide to Mixed Models in R | Julia Pilowsky
Another mixed effects model visualization - Higher Order Functions
Mixed models in R: a primer
Generalized Linear Mixed Models in Ecology and in R | R-bloggers
Mixed Models
Mixed Models in R: lme4, nlme, or both? | FreshBiostats
Linear Mixed Effects Models
Mixed Models: Theory and Applications with R, 2nd Edition | Wiley