RG#104: 2d density plots

require(ggplot2)

set.seed (1234)
Xv <- c(rnorm (500, 10,3), rnorm (500, 50, 20), rnorm (500, 70, 20))
Yv <- c(rnorm (500, 10,3), rnorm (500, 70, 5), rnorm (500, 30, 5))
myd <- data.frame (Xv, Yv )

m <- ggplot(myd, aes(x = Xv, y = Yv)) +
  geom_point() + geom_density2d() + theme_bw()
  
m