I would like to plot y1 and y2 in the same plot.
x <- seq(-2, 2, 0.05) y1 <- pnorm(x) y2 <- pnorm(x, 1, 1) plot(x, y1, type = \"l\", col = \"red\")
You can use points for the overplot, that is.
plot(x1, y1,col='red') points(x2,y2,col='blue')