Factors, Strings, and Dates


Time Estimates:
     Videos: 30 min
     Readings: 0-30 min
     Activities: 120 min
     Check-ins: 6


Factors


Required Video: Factors with forcats




Recommended Reading: R4DS Chapter 15: Factors



Check-In 1: Functions from forcats


Answer the questions from lecture:

  • What is the difference between fct_relevel() and fct_recode()?

  • What is the difference between fct_collapse() and fct_lump()?

  • What is the difference between fct_reorder() and fct_inorder()?

Feel free to share answers with your classmates in the Discord server, to make sure you understand.


Check-In 2: Apply your skills


In your colleges_clean dataset, adjust the REGION variable to have nicer or clearer labels and/or better categories.

Strings


Required Video: Strings with stringr




Recommended Reading: R4DS Chapter 14: Strings