Statistical and graphical software programmers must know the R language. This is the most effective data mining and analysis software language. R is an open source project, and you can download the source code for the R language for free. An indispensable skill when starting to learn R. That is to install a package in R. Listen to this podcast to better understand the R language.

More detail at: https://ittutoria.net/install-a-package-in-r/