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Final quiz


Welcome to the last part of our course on the tidyverse R package. Congratulations on your perseverance!

In this section, we’ll check what you have learned so far. Are you up for the challenge?

For this quiz, we’ll be working with the results of a survey conducted on residents of a fictional city named Hidoni. We’ve been commissioned by the mayor of Hidoni to analyze the residents' expenses.

We have two datasets in memory: one with personal details about Hidoni’s residents and another with their expenses. Let's get started!


Load the file data/personal_info.csv into memory, and assign it to a variable named personal_info.

Stuck? Here's a hint!

Use the read_csv() function and type:

personal_info <- read_csv("data/personal_info.csv")