Out of Date Packages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.
Este exercício faz parte do curso
Defensive R Programming
Instruções do exercício
- 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
.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# 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 <- ___