Advanced R Programming - Defining and Calling Custom Functions

How to define a custom function, use multiple arguments, and set default arguments. Comments Only: (use this to follow along and type in code yourself): https://raw.githubusercontent.com/ave... Code with Comments: https://raw.githubusercontent.com/ave... This course roughly follows "Advanced R" by Hadley Wickham. This book is worth reading cover to cover if you want to be a master R programmer. https://adv-r.hadley.nz/