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  3. Case Study: Exploratory Data Analysis in R

Exercise

Choose your own countries

The purpose of an exploratory data analysis is to ask questions and answer them with data. Now it's your turn to ask the questions.

You'll choose some countries whose history you are interested in and add them to the graph. If you want to look up the full list of countries, enter by_country$country in the console.

Instructions

100 XP

Add three more countries to the countries vector and therefore to the faceted graph.