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.
This exercise is part of the course
Defensive R Programming
Exercise instructions
- Using the
getNamespaceExports()function, how many functions does the ggplot2 package export? Store the result in the variableno_of_functions.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Count the number of functions in ggplot2
no_of_functions <- ___