Out of Date Packages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.
Cet exercice fait partie du cours
Defensive R Programming
Instructions
- 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
.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# 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 <- ___