Overview

• Introduce if-else statements
• Introduce iterative operations
• Practice writing iterative operations using loops, map() functions, and dplyr::across()

Before class

• Read Chapter 13 “Control Structures” in R programming for Data Science
• Read Chapter 21 “Iteration” in R for Data Science

Class materials

• Run the code below in your console to download today’s in-class exercises: usethis::use_course("css-materials/control-structures")

What you need to do after class

• Complete/Start Homework assignments
• Review today’s lecture materials, and prepare for next class