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.
Deze oefening maakt deel uit van de cursus
Introduction to the Tidyverse
Oefeninstructies
- Find the median life expectancy (
lifeExp) and maximum GDP per capita (gdpPercap) within each combination of continent and year, saving them intomedianLifeExpandmaxGdpPercap, respectively.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
library(gapminder)
library(dplyr)
# Find median life expectancy and maximum GDP per capita in each continent/year combination