R语言ggplot2修改图例

序号	操作	代码
1	修改图例名称	labs(fill = “name”)
2	隐藏/删除图例标题	theme(legend.title = element_blank())
3	修改图例顺序	scale_color_discrete(limits = c(“a”, “d”, “c”))
4	不加legend	theme(legend.position = “none”)
5	修改legend位置	theme(legend.position = “left”) #(right, top, bottom)
6	修改尺寸大小	theme(legend.text = element_text(colour = “red”, angle = 45, size = 10, hjust = 3, vjust = 3, face = “bold”))
7	颜色修改及一致性	geom_bar(position = “stack”, aes(order = desc(name)))

来源：CSDN

作者：Lianj-Qin

链接：https://blog.csdn.net/L_J_Kin/article/details/103833348