This lesson assumes you have the R, RStudio software installed on your computer.
R can be downloaded here.
RStudio is an environment for developing using R. It can be downloaded here. You will need the Desktop version for your computer.
You’ll also need to install the ggplot2 package. Install it from the Packages tab in RStudio, or use the install.packages() command in the Console. Use double quotes around the package name.
install.packages("ggplot2")