Lecture 9

Iteration

December 2, 2025

Slides & Code

HTML slides • Raw qmd file • R Code

Suggested Reading (from R for Data Science (2e)1)

Chapter 27: Iteration

1 Hadley Wickham, Mine Çetinkaya-Rundel & Garrett Grolemund

Useful Resources

Cheatsheets

purrr • dplyr

Package Website

purrr • dplyr

Other Readings

Advanced R2: Chapter 5 - Control Flow
Advanced R: Functional Programming

2 Hadley Wickham

Crowdsource Help

CS&SS 508 Slack Workspace • Posit community • Stackoverflow