Front matter
# clean up R environment
rm(list = ls())
# load all packages here
# user-defined functions here (if any)
# data intake
Chapter Notes
- (Optional) Feel free to include additional notes about the chapter here if you like
Section 5.1
- include all section headings even if there isn’t any code
Section 5.1.1
- each code chunk should include a comment with page reference indicating where the code is found in the book.
- include separate code chunks for each result shown in the book
- it’s okay to have two different code chunks with the same page reference if that’s how they appear in the book.
# p. 91
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