Lecture 12

Overview

• Review and continue the lecture on Functions (see previous lecture)
• Practice debugging code
• Distinguish between errors, warnings, and messages
• Identify and practice condition handling approaches

Readings

Functions:

• Refer to the previous lecture to review the readings on Functions

Debugging and Defensive Programming:

• Read “Debugging R code” in What They Forgot to Teach You About R
• Review 21.6 Dealing with failure in R for Data Science
• Review How to read an R help page
• Review The tidyverse style guide

Class materials

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