将重叠的对象放在一起,并更改轴文本的颜色
g + geom_bar(mapping = aes(x = cut, fill = clarity), position = "dodge") +
theme(axis.text = element_text(colour = "red", size = 12))
g + geom_bar(mapping = aes(x = cut, fill = clarity), position = "dodge") +
theme(axis.text = element_text(colour = "red", size = 12))