Message-ID: <1197476937.9595.123.camel@prometheus.geog.ucl.ac.uk>
Date: 2007-12-12T16:28:57Z
From: Gavin Simpson
Subject: Overlay PDF on histogram
In-Reply-To: <CDCD66E2-6E16-4F28-B198-92B36560B53D@gmail.com>
On Wed, 2007-12-12 at 09:16 -0700, James wrote:
> Hi,
>
> 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.
>
> http://tolstoy.newcastle.edu.au/R/help/05/04/3523.html
>
> 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.
>
> James
That seems simple enough to me. 1 line, the holy grail!
Is there a problem with using curve in your actual application?
HTH
G
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Dr. Gavin Simpson [t] +44 (0)20 7679 0522
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