如何创建一个图例,告知红十字是什么意思?
ggplot(results, aes(x=factor, y=proportionPositive)) +
geom_boxplot() +
stat_summary(fun.data = "mean_cl_normal", colour = "red", shape=4)
答案 0 :(得分:19)
这是一种方法:
# Create dummy data results <- data.frame( factor=factor(rep(1:10, 100)), proportionPositive=rnorm(1000)) # Plot results ggplot(results, aes(x=factor, y=proportionPositive)) + geom_boxplot() + stat_summary(fun.data = "mean_cl_normal", aes(shape="mean"), colour = "red", geom="point") + scale_shape_manual("", values=c("mean"="x"))
答案 1 :(得分:0)
使其看起来像默认图例(借用@Andrie代码):
ggplot(results, aes(x=factor, y=proportionPositive)) +
geom_boxplot() +
stat_summary(fun.data = "mean_cl_normal",
aes(shape=""), # Leave empty
colour = "red",
geom="point") +
scale_shape_manual("mean", values= "") # Will show mean on top of the line