Segue CMR. library(latticeExtra)
Parts$Sample <- factor(Parts$Sample, levels = unique(sort(Parts$Sample))) str(Parts) nlev <- function(x) nlevels(droplevels(x)) resizePanels( bwplot(Diam ~ Sample | Machine, data = Parts, pch = "|", layout = c(NA, 1), scales = list(x = list(relation = "free")), par.settings = list( box.rectangle = list(col = 1, fill = c("gray70")), box.umbrella = list(col = 1, lty = 1))), w = with(Parts, tapply(Sample, Machine, nlev))) À disposição. Walmes.
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