如何在 R 中以不同颜色在一个图上绘制多个 ECDF [英] How to plot multiple ECDF's on one plot in different colors in R

问题描述

我试图在一个图上绘制 4 个 ecdf 函数，但似乎无法找出正确的语法.

I am trying to plot 4 ecdf functions on one plot but can't seem to figure out the proper syntax.

如果我有 4 个函数A、B、C、D"，R 中的正确语法是使它们以不同颜色绘制在同一个图表上.谢谢！

If I have 4 functions "A, B, C, D" what would be the proper syntax in R to get them to be plotted on the same chart with different colors. Thanks!

推荐答案

latticeExtra 包提供了功能 ecdfplot.

The package latticeExtra provides the function ecdfplot.

library(lattice)
library(latticeExtra)

set.seed(42)
vals <- data.frame(r1=rnorm(100)*0.5,
                   r2=rnorm(100),
                   r3=rnorm(100)*2)

ecdfplot(~ r1 + r2 + r3, data=vals, auto.key=list(space='right')

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