Dear list, 
   
  I have following plot, where I have set the color (red and green) and lines (lty=2:3) in the panel.groups but can't not figure out how change the lines and color of the legend in the "key" to the same lines and color as in the panel.groups.
   
  bwplot(means ~ age | scales , dat, panel = "panel.superpose",
       groups = sex,scales = list(x = list(rot = 45),cex=0.7,alternating=2),
       panel.groups = "panel.linejoin", lwd=1.2,lty=c(2:3),type="b",col=c    ("red","green"),
       ylab = list(label = "mean value", cex = 0.8),
       xlab = list(label = "scales", cex = 0.8),
       key = list(lines = Rows(trellis.par.get("superpose.line"),c(1:2, 0)), cex=0.8,text = list(lab = as.character(unique(dat$sex))),
                  columns = 2, title = " age sex",
                  cex.title=0.9))
                            
  Thanks for any help,
  Tom



       
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