Select helpers

In the video you learned about the select helper starts_with(). Another select helper is ends_with(), which finds the columns that end with a particular string.

Ця вправа є частиною курсу

Data Manipulation with dplyr

Переглянути курс

Інструкції до вправи

Select the columns state, county, population, and all those that end with work.
Filter just for the counties where at least 50% of the population is engaged in public work.

Інтерактивна практична вправа

Спробуйте виконати цю вправу, доповнивши цей зразок коду.

counties %>%
  # Select the state, county, population, and those ending with "work"
  ___
  # Filter for counties that have at least 50% of people engaged in public work
  ___

Редагувати та запускати код