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

Marc Schwartz (via MN) mschwartz at mn.rr.com
Mon Oct 2 21:24:31 CEST 2006


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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