Counting Exported Functions
Packages are the engine of R. They contain all the good stuff, in one neatly contained bundle.
The public contents of the package are called exports. The getNamespaceExports("pkg_name") function returns a vector of exported functions.
Deze oefening maakt deel uit van de cursus
Defensive R Programming
Oefeninstructies
- Using the
getNamespaceExports()function, how many functions does the ggplot2 package export? Store the result in the variableno_of_functions.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Count the number of functions in ggplot2
no_of_functions <- ___