函数 添加 选项
geom_bar() 条形图 color, fill, alpha
geom_boxplot() 箱线图 color, fill, alpha, notch, width
geom_density...(x=rank, y=salary)) +
geom_boxplot(fill="cornflowerblue",
color="black",...geom_violin(fill="lightblue") +
geom_boxplot(fill="lightgreen", width=.2)
?...例子包括y~x, y~log(x), y~poly(x,n), y~ns(x)
se 绘制置信区间(TRUE/FALSE)默认为TRUE
level 使用的置信区间水平(默认为95%)
fullrange..., package='car')
library(ggplot2)
ggplot(data=Salaries, aes(x=rank, y=salary, fill=sex)) +
geom_boxplot