Steven Sanderson has radar love:
Radar charts, also known as spider, web, polar, or star plots, are a useful way to visualize multivariate data. In R, we can create radar charts using the fmsb library. Here are several examples of how to create radar charts in R using the fmsb library:
Radar charts are a guilty pleasure of mine. They are rarely the right choice, but when they are, I love it so much.