Don't get me started
The helper functions in the tidyselect package assist you in choosing a subset of columns. In this exercise, you'll work with starts_with() from tidyselect and select() to choose some columns from imf_data.
The two columns of gov_revenue_as_perc_gdp and gov_net_debt_as_perc_gdp are governmental revenue and governmental gross debt minus assets, respectively, and are both a percentage of gross domestic product (GDP).
Это упражнение является частью курса
Programming with dplyr
Интерактивное практическое упражнение
Попробуйте выполнить это упражнение, дополнив этот пример кода.
# Choose columns starting with "gov"
imf_data %>%
select(___(___))