```
# NOT RUN {
ggplot(mtcars, aes(x = mpg)) + geom_dotplot()
ggplot(mtcars, aes(x = mpg)) + geom_dotplot(binwidth = 1.5)
# Use fixed-width bins
ggplot(mtcars, aes(x = mpg)) +
geom_dotplot(method="histodot", binwidth = 1.5)
# Some other stacking methods
ggplot(mtcars, aes(x = mpg)) +
geom_dotplot(binwidth = 1.5, stackdir = "center")
ggplot(mtcars, aes(x = mpg)) +
geom_dotplot(binwidth = 1.5, stackdir = "centerwhole")
# y axis isn't really meaningful, so hide it
ggplot(mtcars, aes(x = mpg)) + geom_dotplot(binwidth = 1.5) +
scale_y_continuous(NULL, breaks = NULL)
# Overlap dots vertically
ggplot(mtcars, aes(x = mpg)) + geom_dotplot(binwidth = 1.5, stackratio = .7)
# Expand dot diameter
ggplot(mtcars, aes(x = mpg)) + geom_dotplot(binwidth = 1.5, dotsize = 1.25)
# Change dot fill colour, stroke width
ggplot(mtcars, aes(x = mpg)) + geom_dotplot(binwidth = 1.5, fill = "white", stroke = 2)
# }
# NOT RUN {
# Examples with stacking along y axis instead of x
ggplot(mtcars, aes(x = 1, y = mpg)) +
geom_dotplot(binaxis = "y", stackdir = "center")
ggplot(mtcars, aes(x = factor(cyl), y = mpg)) +
geom_dotplot(binaxis = "y", stackdir = "center")
ggplot(mtcars, aes(x = factor(cyl), y = mpg)) +
geom_dotplot(binaxis = "y", stackdir = "centerwhole")
ggplot(mtcars, aes(x = factor(vs), fill = factor(cyl), y = mpg)) +
geom_dotplot(binaxis = "y", stackdir = "center", position = "dodge")
# binpositions="all" ensures that the bins are aligned between groups
ggplot(mtcars, aes(x = factor(am), y = mpg)) +
geom_dotplot(binaxis = "y", stackdir = "center", binpositions="all")
# Stacking multiple groups, with different fill
ggplot(mtcars, aes(x = mpg, fill = factor(cyl))) +
geom_dotplot(stackgroups = TRUE, binwidth = 1, binpositions = "all")
ggplot(mtcars, aes(x = mpg, fill = factor(cyl))) +
geom_dotplot(stackgroups = TRUE, binwidth = 1, method = "histodot")
ggplot(mtcars, aes(x = 1, y = mpg, fill = factor(cyl))) +
geom_dotplot(binaxis = "y", stackgroups = TRUE, binwidth = 1, method = "histodot")
# }
```

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