plot(0,0,"n") mtext( expression( bar(x) == 3.07) ) but you can also simply 'paste' things:
text(0,0,labels=expression(paste(bar(omega), " = 1")),srt=90) ______________________________________________ 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.