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den
2010 Sep 22
2
Determine area between two density plots
Hi group,
I am creating two density plots as shown in the code below:
x1 <- c(1,4,5,3,2,3,4,5,6,5,4,3,2,1,1,1,2,3)
x2 <- c(1,4,5,3,5,7,4,5,6,1,1,1,2,1,1,1,2,3)
plot(density(x1, na.rm = TRUE))
polygon(density(x2, na.rm = TRUE), border="blue")
How can I determine the area that is covered between the two plots as
a number and how can I grey (or highlight with a pattern) the area