Overview

• Review control structures
• Define functions and their purpose
• Analyze a user-written function and explain how it works
• Practice writing functions

Before class

• Read Chapter 17 “Introduction” and chapter 19 “Functions” in R for Data Science
• Review 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/functions")

What you need to do after class

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