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.
Deze oefening maakt deel uit van de cursus
Case Study: Exploratory Data Analysis in R
Oefeninstructies
Add three more countries to the countries vector and therefore to the faceted graph.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# 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")