In xyplot, I would like to get the "data into the panel function" in the
following sense: Consider
xyplot(scc~time|cowidp, data=cow.s,type=c("l"),
panel=function(x,y,subscripts,...){
panel.xyplot(x,y,...)
vvv<-cow.s[which(!is.na(cow.s[subscripts,"mastreat"])),"time"]
panel.abline(v=vvv,col="red",lwd=2)
}
)
If I want to use a different dataset, say cow.2, I would have to modify the
code twice in the panel function. Is there a way of avoiding this?
Best regards
Søren
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