Companion R package
The companion R package for the book is rdss, which is freely available on the CRAN repository. You can install it in R via install.packages(“rdss”)
Replication Materials [ZIP]
A replication archive containing the code and data to reproduce all of the in-text examples, including figure code.
A Shiny application for a user-friendly interface for declaring research designs
Additional Online Resources
Instructor materials, including exercises (both problem sets and answer keys), lecture slides, and sample syllabi.