John Poulsen wrote:
Hello R-Users,
I am trying to label points on an xYplot. I can label the points, but
then I lose the error bars. I suspect that I should be using
panel.xYplot rather than panel.xyplot, but that didn't work either...
Can anybody help me out? Example code is below. First xYplot has error
bars, second tries to label the points and the bars disappear.
Thanks,
John
a=c(1:4)
b=rnorm(4,15,5)
blab=b+1
xYplot(Cbind(b, b-1.5, b+1.5)~a,
ylim=c(0,max(b)+3))
xYplot(Cbind(b, b-1.5, b+1.5)~a, ylim=c(0,max(b)+3),
panel=function(x,y,...){
panel.xyplot(x,y,...)
ltext(x=list(1,2,3,4),
y=list(13,14,15,16),
labels=list("A","B","C","D"), pos=2)})
One of the purposes of xYplot is to use panel.xYplot
Frank
--
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University
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