Counts vs. proportions (2)
Bar charts can tell dramatically different stories depending on whether they represent counts or proportions and, if proportions, what the proportions are conditioned on. To demonstrate this difference, you'll construct two bar charts in this exercise: one of counts and one of proportions.
Cet exercice fait partie du cours
Exploratory Data Analysis in R
Instructions
- Create a stacked bar chart of
gender
counts withalign
on the x-axis. - Create a stacked bar chart of
gender
proportions withalign
on the x-axis by setting theposition
argument togeom_bar()
equal to"fill"
.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Plot of gender by align
ggplot(comics, aes(x = ___, fill = ___)) +
geom_bar()
# Plot proportion of gender, conditional on align
ggplot(comics, aes(x = ___, fill = ___)) +
geom_bar(position = ___) +
ylab("proportion")