[R] annotate histogram

[Tom Fletcher]

See rug() and use col=2 to get red. So, as an example ...

x <- rchisq(100, df=2)
hist(x)
abline(v=median(x), lty=2)
rug(x, col=2)

TF

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Wendy
Sent: Tuesday, November 01, 2011 10:22 AM
To: r-help at r-project.org
Subject: [R] annotate histogram

Hi all,

I want to make a histogram like the one show http://nar.oxfordjournals.org/content/39/suppl_1/D1011/F1.expansion.html
here , but I did not figure out how to add the red marks at the bottom of the bars. Could anybody help? Thank you very much

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