Visualizing colonialism votes
In an earlier exercise, you graphed the percentage of votes each year where the US voted "yes". Now you'll create that same graph, but only for votes related to colonialism.
This exercise is part of the course
Case Study: Exploratory Data Analysis in R
Exercise instructions
- Load the
ggplot2
package. - Filter the
votes_joined
dataset for only votes by the United States relating to colonialism, thensummarize()
the percentage of votes that are "yes" within eachyear
. Name the resulting columnpercent_yes
and save the entire data frame asUS_co_by_year
. - Add a
geom_line()
layer to yourggplot()
call to create a line graph of the percentage of "yes" votes on colonialism (percent_yes
) cast by the US over time.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Load the ggplot2 package
# Filter, then summarize by year: US_co_by_year
# Graph the % of "yes" votes over time
___(US_co_by_year, ___) ___
___