Combining filter, mutate, and arrange
In this exercise, you'll combine all three of the verbs you've learned in this chapter, to find the countries with the highest life expectancy, in months, in the year 2007.
Bu egzersiz
Introduction to the Tidyverse
kursunun bir parçasıdırEgzersiz talimatları
- In one sequence of pipes on the
gapminderdataset: filter()for observations from the year 2007,mutate()to create a columnlifeExpMonths, calculated as12 * lifeExp, andarrange()in descending order of that new column
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
library(gapminder)
library(dplyr)
# Filter, mutate, and arrange the gapminder dataset