Combining count() with across()
The count() function also works with across() to provide the number of rows matching each combination of the variables specified. You can, thus, get how many rows correspond to different variable combinations in the imf_data with this pairing.
This exercise is part of the course
Programming with dplyr
Exercise instructions
count()acrosscharacterclass columns.- Arrange the count tibble with count decreasing.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
imf_data %>%
count(
# Count over character class columns
___(
___(___)
),
# Arrange the results by descending count
___)