Write something for https://github.com/biometry/APES/blob/master/R/R45-FunctionsAndPackages.md
The idea would be to explain a user that has never used R
- How to use built-in functions
- How to get the help for built-in functions
- How to install / load a package to use non-standard functions
Write something for https://github.com/biometry/APES/blob/master/R/R45-FunctionsAndPackages.md
The idea would be to explain a user that has never used R