Summarize across multiple variables
The across() function also works smoothly with summarize() for calculating across multiple rows. This is much faster and with less code than summarizing across each column individually.
Este exercício faz parte do curso
Programming with dplyr
Instruções do exercício
- Keep only rows corresponding to Bolivia.
- Go across all columns containing
"perc". - Find the minimum value for each of these columns.
- Add
"min_"to the beginning of each of the column names.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
imf_data %>%
# Focus on Bolivia rows
filter(___) %>%
summarize(
# Compute for all column names including "perc"
across(___,
# Calculate the minimum value
___,
# Prepend "min_" to column names
___)
)