以下是我正在处理的代码:
library(ggplot2)
coco1<-rnorm(10000,0,1)
coco2<-rnorm(10000,10,5)
coco3<-rnorm(10000,20,10)
coco4<-rnorm(10000,30,20)
decile<-rbinom(10000,3,1/2)+1
coconut<-data.frame(coco1,coco2,coco3,coco4,decile)
p <- ggplot(coconut, aes(factor(decile), coco1))
p <- p + geom_violin(aes(colour = "1"), alpha = .5, size=2)
q <- p + geom_violin(aes(y = coco2, colour = "2"), alpha = .5, size=2)
q <- q + geom_violin(aes(y = coco3, colour = "3"), alpha = .5, size=2)
q <- q + geom_violin(aes(y = coco4, colour = "4"), alpha = .5, size=2)
q
生成以下图片:
注意到随着小提琴层数的增加,小提琴的身体会产生透明度问题吗?理想情况下,我希望小提琴的身体alpha=0,而身体轮廓alpha=1。
geom_violin(fill =“透明”)
。 - zx8754