/Dear all,/// /I am very thankful, if you could tell what is the right way to write:
mtext(paste(expression("R"^2),round(marco2[1,i],digits=3)," N° of proteins:",marco3[i]),side=4,cex=.6) in this case the output is: "R"^2 I tried also in this way: mtext(paste(expression(paste("R"^2)),round(marco2[1,i],digits=3)," N° of proteins:",marco3[i]),side=4,cex=.6) the output is: paste("R"^2) Thank you in advance Marco / ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.