Exercise

Select, mutate, filter, and arrange

In this exercise, you'll put together everything you've learned in this chapter (select(), mutate(), filter() and arrange()), to find the counties with the highest proportion of men.

Instructions

100 XP

Select only the columns state, county, population, men, and women.
Add a variable proportion_men with the fraction of the county's population made up of men.
Filter for counties with a population of at least ten thousand (10000).
Arrange counties in descending order of their proportion of men.