(Leads to: Code style, Data basics, Documentation, Model basics, R Markdown basics, R Markdown workflow)
Ensure that you have all the tools you need for this class. You should have done this before the first day.
Note the two important R functions:
install.packages() downloads a package from the internet and
saves on your computer.
library() loads an installed package and makes it available for use.
Prerequisites [r4ds-1.4]
Running R code [r4ds-1.5]
RStudio IDE Cheat Sheet [cheatsheets-rstudio-ide]. You don’t need to read the complete cheatsheet, but you should know that it exists.