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.
Questo esercizio fa parte del corso
Defensive R Programming
Istruzioni dell'esercizio
- Using the
getNamespaceExports()function, how many functions does the ggplot2 package export? Store the result in the variableno_of_functions.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
# Count the number of functions in ggplot2
no_of_functions <- ___