> >> The strip argument to panel.xyplot seems to be ignored for >> single-panel plots. > The workaround is to give it a one-level factor: > > library(lattice) > data(Chem97, package = "mlmRev") > Chem97$what = as.factor("strip text") > densityplot(~ gcsescore|what, data = Chem97) Thank you. That works. John