In R-1.5.0, in levelplot() documentation, the argumement `data' isn't mentioned (it is detailled in xyplot() though): levelplot(formula, at, col.regions = trellis.par.get("regions")$col, colorkey = region, [../..] It would perhaps be clearer to also add the `data' argument because it is implicitly used in the first example: [../..] levelplot(z~x*y, grid, cuts = 50, xlab="", [../..] ^^^^ -- Cyril Humbert -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._