A great selection
The imf_data tibble contains characteristics of countries
including (but not limited to) currency conversion rate
compared to a US dollar, gross domestic product (in billions
of US dollars), and population across many years. In this
exercise, you'll explore this data from the
International Monetary Fund (IMF) further.
Throughout this chapter, dplyr and imf_data have been loaded for you. A string
vector including a few countries is also available as
countries_vector for this exercise.
Este exercício faz parte do curso
Programming with dplyr
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Choose country, year, USD conversion, and GDP columns
selected_imf <- imf_data %>%
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