Exercise

Plotting just the UK over time

Now that you have the percentage of time that each country voted "yes" within each year, you can plot the trend for a particular country. In this case, you'll look at the trend for just the United Kingdom.

This will involve using filter() on your data before giving it to ggplot2.

Instructions

100 XP

Print the by_year_country dataset.
Create a filtered version of the dataset called UK_by_year.
Create a line plot of the percentage of "yes" votes over time for the United Kingdom.