類似的問題已經在
我試圖在紅線和藍線之間遮蔽。我嘗試使用geom_ribbon,但似乎無法讓它正常作業。
關于我如何做到這一點的任何建議?
uj5u.com熱心網友回復:
正如您所指出的,您確實想要geom_ribbon:
library(ggplot2)
set.seed(100)
x <- seq(0, 20, length.out=1000)
x1 <- seq(0, 18, length.out=1000)
x2 <- seq(0, 22, length.out=1000)
dat <- data.frame(x=x,
px = dexp(x, rate=0.5),
pxHi = dexp(x1, rate=0.5),
pxLo = dexp(x2, rate=0.5)
)
ggplot(dat, aes(x=x, y=px))
geom_ribbon(aes(x = x, ymax = pxHi, ymin = pxLo), fill = "pink")
geom_line()
geom_line(aes(x= x, y = pxHi), col = 'red')
geom_line(aes(x= x, y = pxLo), col = 'blue') theme_bw()

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