Out of Date Packages
R packages are constantly updated. Updates contain new features and bug fixes. The old.packages() function returns a data frame, where each row indicates a newer version is available.
Questo esercizio fa parte del corso
Defensive R Programming
Istruzioni dell'esercizio
- Create a data frame of the packages where a newer version is available, and assign it to the object
old. - How many packages need to be updated? Store this value to
no_of_old_pkgs.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
# Create a data frame of the packages where a newer version is available
old <- ___
# Find how many packages need to be updated
no_of_old_pkgs <- ___