Selecting a county from each region
Previously, you used the walk column, which offers a percentage of people in each county that walk to work, to add a new column and count to find the total number of people who walk to work in each county.
Now, you're interested in finding the county within each region with the highest percentage of citizens who walk to work.
counties_selected <- counties %>%
select(region, state, county, metro, population, walk)
Questo esercizio fa parte del corso
Data Manipulation with dplyr
Istruzioni dell'esercizio
- Find the county in each region with the highest percentage of citizens who walk to work.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
counties_selected %>%
# Group by region
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# Find the county with the highest percentage of people who walk to work
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