Summarizing the median life expectancy in 1957
Rather than summarizing the entire dataset, you may want to find the median life expectancy for only one particular year. In this case, you'll find the median in the year 1957.
Bu egzersiz
Introduction to the Tidyverse
kursunun bir parçasıdırEgzersiz talimatları
- Filter for the year 1957, then use the
median()function within asummarize()to calculate the median life expectancy into a column calledmedianLifeExp.
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
library(gapminder)
library(dplyr)
# Filter for 1957 then summarize the median life expectancy