Hi, what is the recommended way of adding a strip to a lattice plot?
In the example below I would like to add the value of mean(y) to a new strip.: --8<---------------cut here---------------start------------->8--- library(lattice) ## Small sample data set: p0 <- xyplot(uptake ~ Type | Treatment, data = CO2) p1 <- update(p0, panel = function(x, y, ...) { panel.xyplot(x, y) panel.abline(h = mean(y), col = "red" ) } ) plot(p1) --8<---------------cut here---------------end--------------->8--- TIA Patrick ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.