Summarizing by continent and year
Instead of grouping just by year, or just by continent, you'll now group by both continent and year to summarize within each.
Questo esercizio fa parte del corso
Introduction to the Tidyverse
Istruzioni dell'esercizio
- Find the median life expectancy (
lifeExp) and maximum GDP per capita (gdpPercap) within each combination of continent and year, saving them intomedianLifeExpandmaxGdpPercap, respectively.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
library(gapminder)
library(dplyr)
# Find median life expectancy and maximum GDP per capita in each continent/year combination