Counting citizens by state
You can weigh your count by particular variables rather than finding the number of counties. In this case, you'll find the number of citizens in each state.
counties_selected <- counties %>%
select(county, region, state, population, citizens)
Ця вправа є частиною курсу
Data Manipulation with dplyr
Інструкції до вправи
- Count the number of counties in each state, weighted based on the
citizenscolumn, and sorted in descending order.
Інтерактивна практична вправа
Спробуйте виконати цю вправу, доповнивши цей зразок коду.
# Find number of counties per state, weighted by citizens, sorted in descending order
counties_selected %>%
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