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.
Latihan ini adalah bagian dari kursus
Introduction to the Tidyverse
Petunjuk latihan
- Find the median life expectancy (
lifeExp) and maximum GDP per capita (gdpPercap) within each combination of continent and year, saving them intomedianLifeExpandmaxGdpPercap, respectively.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
library(gapminder)
library(dplyr)
# Find median life expectancy and maximum GDP per capita in each continent/year combination