Hi, I try this one:
boxplot(dados[,5]~dados$Trat, xaxt = "n", ylab = substitute(paste("mg de CO"[2],"/100 mL de MC"),list(x=""))) and I get this one in ylab: NA/100 mL de MC If I try this one: plot(1,2, xlab = substitute(paste("Arrival date 1 = May 1"^{st},"",list(x=""))), ylab = substitute(paste("mg de CO"[2],"/100 mL de MC"),list(x=""))) I see this one in ylab: mg de CO$_2$/100 mL de MC ^^^^^ LaTeX because I dont know how I type sub in txt. I am sorry. How I do the same in the boxplot? Or isnt possible? Thank you very much Marcelo ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html