position_dodge()
在内部
geom_bar()
mtcars
数据集:
library(tidyverse)
ggplot(mtcars, aes(x=factor(am), fill=factor(vs))) +
ggtitle("Gender") +
xlab("Gender") +
geom_bar(aes(y = 100*(..count..)/sum(..count..)), width = 0.5, position = position_dodge()) +
ylab("Percentage") +
coord_flip() +
theme_minimal() +
theme(axis.text=element_text(size=12),axis.title=element_text(size=14,face="bold"))