Subsequently saw this in FAQs See FAQ: http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-do-lattice_002ftrellis-graphics-not-work_003f -- View this message in context: http://r.789695.n4.nabble.com/bwplot-in-loop-tp2220020p2220034.html Sent from the R help mailing list archive at Nabble.com.