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.

Deze oefening maakt deel uit van de cursus

Case Study: Exploratory Data Analysis in R

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Oefeninstructies

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.

Praktische interactieve oefening

Probeer deze oefening eens door deze voorbeeldcode in te vullen.

# Start with by_year_country dataset
by_year_country <- votes_processed %>%
  group_by(year, country) %>%
  summarize(total = n(),
            percent_yes = mean(vote == 1))

# Print by_year_country


# Create a filtered version: UK_by_year


# Line plot of percent_yes over time for UK only
___(UK_by_year, ___) ___
  ___

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