Excellent! Thank you. I am reading now your article in R-News (2/3 p.32-34) to understand the logic behind substitute in the expression.
-Christos -----Original Message----- From: Uwe Ligges [mailto:[EMAIL PROTECTED] Sent: Tuesday, October 24, 2006 12:27 PM To: [EMAIL PROTECTED] Cc: r-help@stat.math.ethz.ch Subject: Re: [R] Plotmath expression Christos Hatzis wrote: > Hello, > > I've been trying to plot a subscript in a text formula using plotmath > but I haven't been able to do so. > > In my example below I would like the text label to show X[min] = 10.1 > +/- 5.5 > > Here is the code: > > ll <- c(x=10.1, sde=5.5) > plot(1:10) > text(x=9, y=2, pos=2, expression(paste(X[min], "=", paste(ll, > collapse="+/-")))) plot(1:10) text(x=9, y=2, pos=2, substitute(X[min] == x %+-% sde, as.list(ll))) Uwe Ligges > This works fine up to the inner paste call that collapses the vector values. > I also tried assigning the value of the inner paste to a variable and > then use it inside the expression but that did not work either: > > ll.txt <- paste(ll, collapse="+/-") > text(x=9, y=2, pos=2, expression(paste(X[min], "=", ll.txt))) > > Any help is much appreciated. > > Thanks. > > Christos Hatzis, Ph.D. > Nuvera Biosciences, Inc. > 400 West Cummings Park > Suite 5350 > Woburn, MA 01801 > Tel: 781-938-3830 > www.nuverabio.com > > ______________________________________________ > 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 > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ 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 and provide commented, minimal, self-contained, reproducible code.