The qacData package provides a range of interesting data sets for data science instruction.
Why qacData? This package is created and maintained by advanced undergradutes in the Quantitative Analysis Center (QAC) at Wesleyan University.
You can install this package with the following code:
if(!require(remotes)){
install.packages("remotes")
}
remotes::install_github("rkabacoff/qacData")