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.
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 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 year