10) Iterations

📖 Iterations and Loops

This week we introduce the syntax used by R to handle iteration constructs such as for loops and while loops, among other idioms.

📰 Slides

10-iterations.pdf

🎯 Objectives

At the end of this week you will be able to:

• Describe the anatomy of a for loop in R
• Describe the anatomy of a while loop in R
• Describe the anatomy of a repeat loop in R
• Get familiar with the next statement to skip iterations
• Get familiar with the break statement to stop loops from iterating
• Provide examples for apply(), lapply(), sapply() functions
• Provide an example of the “dplyr” function across()

📚 Reading

• https://www.gastonsanchez.com/R-coding-basics/5-04-for-loop.html

• https://www.gastonsanchez.com/R-coding-basics/5-05-while-loop.html

• https://rstudio-education.github.io/hopr/loops.html

• https://adv-r.hadley.nz/control-flow.html#loops