2.5 Statistics Layer
The statistics layer allows us to plot statistical values calculated from the data
This is used to transform the input variables to displayed values
# indicate sex using color
ggplot(data = plotdata,
mapping = aes(x = exper,
y = wage,
color = sex)) +
geom_point(alpha = .7,
size = 3) +
geom_smooth(method = "lm",
se = FALSE,
size = 1.5)