12) Scoping

📖 Lecture

This week we review more technical aspects of functions in R. Specifically, we will focus on the scoping mechanisms used by R to find the value of a variable.

🎯 Objectives

• Provide an example of “name masking”
• Provide an example of “functions versus variables”
• Provide an example of “fresh start”
• Provide an example of “dynamic lookup”

📚 Reading

• https://adv-r.hadley.nz/names-values.html

• http://adv-r.had.co.nz/Environments.html

🔬 Lab

Work with some basic examples to understand scoping rules and environments.