Overview

• Define a bug
• Review best practices for reading, writing, and styling code
• Distinguish between errors, warnings, and messages
• Identify and practice methods for error handling and recovery

Before class

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

Class materials

• No in-class materials (today we complete in-class materials for “Data Structures” lecture)
• Review the assigned readings for further insights and practice

Additional Resources

• Bugs and styling code
• Debugging and condition handling
• Naming things - by Jenny Bryan. A concise guide to naming files.

After class

• Complete Homework 4