Hi,
I have a simple problem that I would appreciate getting some tips. I am
using the "truehist" function within an "apply" call to plot multiple
histograms. I can't figure out how to get truehist to use the column names
of the matrix as the labels for the x-axis of the histograms.
Here is a simple example:
X <- matrix(runif(4000),ncol=4)
colnames(X) <- c("X1","X2","X3","X4")
par(mfrow=c(2,2))
apply(X, 2, function(x)truehist(x))
In this example, I would like the x-labels of the histograms to be "X1",
"X2", etc.
Any help is appreciated.
Best,
Ravi.
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Ravi Varadhan, Ph.D.
Assistant Professor, The Center on Aging and Health
Division of Geriatric Medicine and Gerontology
Johns Hopkins University
Ph: (410) 502-2619
Fax: (410) 614-9625
Email: [EMAIL PROTECTED]
Webpage: http://www.jhsph.edu/agingandhealth/People/Faculty/Varadhan.html
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