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.
Este ejercicio forma parte del curso
Case Study: Exploratory Data Analysis in R
Instrucciones del ejercicio
Add three more countries to the countries vector and therefore to the faceted graph.
Ejercicio interactivo práctico
Prueba este ejercicio y completa el código de muestra.
# Add three more countries to this list
countries <- c("United States", "United Kingdom",
"France", "Japan", "Brazil", "India")
# Filtered by_year_country: filtered_countries
filtered_countries <- by_year_country %>%
filter(country %in% countries)
# Line plot of % yes over time faceted by country
ggplot(filtered_countries, aes(year, percent_yes)) +
geom_line() +
facet_wrap(~ country, scales = "free_y")