The book refers to many datasets that can be found in the faraway package that you will need to install in R. You can do this using the “Tools->Install Packages” menu in Rstudio or the “Packages and Data” menu in the R GUI. Alternatively, you can install the development version
lme4package, used to fit models with random effects and used extensively in Chapters 8 and 9, has undergone substantial changes since the publication of the book. Please read about these changes along with some suggested solutions. (last updated April 2015).