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Counting by region

The counties dataset contains columns for region, state, population, and the number of citizens, which we selected and saved as the counties_selected table. In this exercise, you'll focus on the region column.

counties_selected <- counties %>%
  select(county, region, state, population, citizens)

This exercise is part of the course

Data Manipulation with dplyr

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Exercise instructions

  • Use count() to find the number of counties in each region, using a second argument to sort in descending order.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Use count to find the number of counties in each region
counties_selected %>%
  ___
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