[R] Hmisc errbar color

[Peter Ehlers]

On 2011-02-09 17:27, Robert Baer wrote:
> Is there an easy way to make the error bars the same color as the points and lines they are plotted with.
>
> My example
> # fake data
> x=sample(1:10, 100, replace =T)
> y = rnorm(100) + runif(100)
> df=data.frame(x,y)
> # summarize data
> m = aggregate(df,list(x),mean)
> se = aggregate(df,list(x),sd)/sqrt(10)
> library(Hmisc)
> plot(x,y)
> errbar(m$x, m$y, m$y+1.96*se$y, m$y-1.96*se$y,col='red',cex=2,type='b',add=TRUE)

Try inserting

   par(fg = "red")

between your plot() and errbar() statements.

Peter Ehlers


>
> Thanks,
> Rob
>
>
> ------------------------------------------
> Robert W. Baer, Ph.D.
> Professor of Physiology
> Kirksville College of Osteopathic Medicine
> A. T. Still University of Health Sciences
> Kirksville, MO 63501
> 660-626-232
> FAX 660-626-2965
>
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