Re: [R] X-axis labels in histograms drawn by the "truehist" function

From: Ravi Varadhan <rvaradhan_at_jhmi.edu>
Date: Mon 02 Oct 2006 - 21:24:31 GMT


Thank you, Marc and Gabor. I apologize for having missed Gabor's reply.

Best regards,
Ravi.



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: rvaradhan@jhmi.edu

Webpage: http://www.jhsph.edu/agingandhealth/People/Faculty/Varadhan.html  



-----Original Message-----
From: Marc Schwartz (via MN) [mailto:mschwartz@mn.rr.com] Sent: Monday, October 02, 2006 3:25 PM
To: Ravi Varadhan
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] X-axis labels in histograms drawn by the "truehist" function

On Mon, 2006-10-02 at 14:58 -0400, Ravi Varadhan wrote:
>
> Hi,
>
>
>
> I had sent this email last week, but received no reply. So, I am
resending
> it - please excuse me for the redundant email.
>
>
>
> 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:
>
>
>
> library(MASS) # this contains the truehist function
>
> 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

Ravi,

Gabor did reply:

https://stat.ethz.ch/pipermail/r-help/2006-September/114019.html

HTH, Marc Schwartz



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