cores = grDevices::colors()[grep('gr(a|e)y', grDevices::colors(), invert = T)]
parset <-list(plot.symbol = list(col = "black",fill = "black"),strip.background=list(col="lightgrey"),superpose.line = list(col = cores[1:375]),superpose.symbol = list(col = cores[1:375]))
xyplot(PESO~SEMANA|TRAT,groups=ID,data=DADOS,ylab = "PESO (Kg)",pch = 16,par.settings =parset ,type=c("l","p","g"),layout = c(3,1),aspect = "xy")
--