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.
Latihan ini adalah bagian dari kursus
Introduction to the Tidyverse
Petunjuk latihan
- Filter for the year 1957, then use the
median()function within asummarize()to calculate the median life expectancy into a column calledmedianLifeExp.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
library(gapminder)
library(dplyr)
# Filter for 1957 then summarize the median life expectancy