fmsb package allows to build radar chart in R. Next examples explain how to format your data to build a basic version, and what are the available option to customize the chart appearance.
It is totally doable to show several groups on the same spider chart, still using the
fmsb package. The examples below will guide you through this process. But keep in mind that displaying more than 2 or 3 groups will result in a cluttered and unreadable figure.
There is a lot of criticism going around spider chart. Before using it in a project, you probably want to learn more about it.Why it's dangerous