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Selecting columns

Using the select() verb, we can answer interesting questions about our dataset by focusing in on related groups of verbs. The colon (:) is useful for getting many columns at a time.

Это упражнение является частью курса

Data Manipulation with dplyr

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Инструкции к упражнению

  • Use glimpse() to examine all the variables in the counties table.
  • Select the columns for state, county, population, and (using a colon) all five of those industry-related variables; there are five consecutive variables in the table related to the industry of people's work: professional, service, office, construction, and production.
  • Arrange the table in descending order of service to find which counties have the highest rates of working in the service industry.

Интерактивное практическое упражнение

Попробуйте выполнить это упражнение, дополнив этот пример кода.

# Glimpse the counties table
___

counties %>%
  # Select state, county, population, and industry-related columns
  ___
  # Arrange service in descending order 
  ___
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