[R] Overlay PDF on histogram

From: James <jctoll_at_gmail.com>
Date: Wed, 12 Dec 2007 09:16:02 -0700


I thought that I had read somewhere that there was a really simple way to overlay the probability density function of a normal distribution over a histogram, after the histogram has already been plotted. Possibly a one word command.

I've found this email from the archives, but I don't think this is what I'm looking for. I thought there was something more simple than the curve function.


R> x <- rnorm(100)
R> hist(x, freq = FALSE)
R> curve(dnorm, col = 2, add = TRUE)

Is there a simple way to do this, or is my memory failing me? Thank you.


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