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  3. Introduction to the Tidyverse

Exercise

Filtering and arranging

You'll often need to use the pipe operator (%>%) to combine multiple dplyr verbs in a row. In this case, you'll combine a filter() with an arrange() to find the highest population countries in a particular year.

Instructions

100 XP
  • Use filter() to extract observations from just the year 1957, then use arrange() to sort in descending order of population (pop).