Please make sure you are using a recent version of R (current version is 3.6.X) - the final digit is the minor version number. The essential numbers are the first two. You can check the version of R you are running via
R.version.string
Please install the latest version of RStudio (https://www.rstudio.com/products/rstudio/download/).
During the course, we'll use two R packages. These can be installed using
install.packages(c("ggplot2", "hrbrthemes"))
The data for the course can be obtained from the course repo. To download the data from the command line
beauty = read.csv("https://raw.githubusercontent.com/jumpingrivers/foundational-data-science/master/data/beauty.csv")
bond = read.csv("https://raw.githubusercontent.com/jumpingrivers/foundational-data-science/master/data/bond.csv")
cupid = read.csv("http://www.mas.ncl.ac.uk/~ncsg3/okcupid.csv")
starbucks = read.csv("https://raw.githubusercontent.com/jumpingrivers/foundational-data-science/master/data/starbucks.csv")
Thanks for providing all this material!