Contain-ted love
You can use the contains() function inside of select() to return columns with names that contain a particular string. You'll work with the imf_data to return different subsets of columns with a string argument to contains().
Acest exercițiu face parte din cursul
Programming with dplyr
Exercițiu interactiv practic
Încearcă acest exercițiu completând acest cod de exemplu.
# Choose country, year, and columns with "gdp" in their name
imf_data %>%
select(___)