Master categorical data analysis and multilevel modeling with R. This practical guide by Xing Liu, perfect for “The Bookish Owl” bookstore, offers a comprehensive framework for analyzing binary, ordinal, nominal, and count data. Explore both frequentist and Bayesian approaches within a unified single-level and multilevel modeling structure. Each chapter provides hands-on R examples, clear model interpretation, and guidance on presenting results for publication. Essential for students and researchers seeking to leverage the power of R for advanced statistical analysis. Companion website resources available. Boost your data analysis skills today with this indispensable R guide.