Day 4: Functions

Day 4 topics:

• When you’d want to write a function
• Pieces of a function
• Function syntax and best practices
• Writing functions in R and Python

Day 4 lecture slides:

• Day 4 (morning lecture)
• Day 4 (afternoon lecture)

Day 4 lab materials:

• Day 4 (morning lab)
• Day 4 (afternoon lab)

Flex sessions:

• Morning flex: Little bits of useful things (see discussion from 244 in W2021, e.g. .Rprofile, never save workspace, rainbow parentheses)
• Afternoon flex: Mental health activity for coders?

Activities:

• Writing functions
• Fixing broken functions

Efficiency tips (inspired by Dr. Julia Lowndes)