Summarizing by year
In a previous exercise, you found the median life expectancy and the maximum GDP per capita in the year 1957. Now, you'll perform those two summaries within each year in the dataset, using the group_by verb.
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 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 year