I ran the following script from xyplot Examples using Tin-R on 
Windows and saw no plot produced. 

EE <- equal.count(ethanol$E, number=9, overlap=1/4)
xyplot(NOx ~ C | EE, data=ethanol,
    prepanel = function(x,y) prepanel.loess(x, y, span=1),
    xlab="Compression Ratio", ylab="NOx (micrograms/J)",
    panel = function(x,y) {
         panel.grid()(h = -1, v=2)
         panel.xyplot(x,y)
         panel.loess(x,y, span=1)
    },
    aspect = "xy")

The Rgui showed 
> source(.trPaths[5])

Without any error msg. Did I miss anything? Please enlighten me.

Richard


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