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.
Questo esercizio fa parte del corso
Exploratory Data Analysis in R
Istruzioni dell'esercizio
- Create a stacked bar chart of
gendercounts withalignon the x-axis. - Create a stacked bar chart of
genderproportions withalignon the x-axis by setting thepositionargument togeom_bar()equal to"fill".
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
# 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")