xyplot problem
xyplot will pass a vector of indices through the subscripts argument
to the panel so try this:
xyplot(y ~ x | grp, panel = function(x, y, subscripts, ...) {
panel.xyplot(x, y, cex = sz[subscripts], ...)
}
)
On Tue, Sep 23, 2008 at 9:27 AM, Pascal A. Niklaus <pniklaus at ethz.ch> wrote:
Hi all, I am trying to produce some panels with dots in an X/Y plane where the diameter of the dots indicates a Z value (like e.g. earthquake maps where dot sizes indicate magnitudes and X/Y the location). This works fine with xyplot, e.g.: xyplot(1:3~1:3,cex=1:3,pch=16) However, when I do this with a panel variable, e.g.: x<-rep(1:3,5) y <- rep(1:3,5) sz <- rep(1:5,each=3) grp <- factor(rep(1:5,each=3)) xyplot(y~x | grp , cex=sz) then sz in the cex argument is not applied per group as I would expect. Same for other arguments like col. Is this really the intended behaviour? How can I achieve what I want, i.e., that the cex argument is different for the different levels of grp? Thank you for your help Pascal Niklaus
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