Perhaps something like this (apologies if beating a dead horse): plot(NA,NA, xlim = c(-1,5),ylim = c(-1,5), xlab = "", ylab = "") for(i in 1:3) text(i,i,labels =bquote(2^.(i)))
Cheers, Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Tue, Mar 26, 2019 at 8:27 AM Viechtbauer, Wolfgang (SP) < wolfgang.viechtba...@maastrichtuniversity.nl> wrote: > Hi Bert, > > I am indeed creating a mathematical expression, but ?plotmath doesn't > cover how to do such a vectorized substitution. > > Best, > Wolfgang > > -----Original Message----- > From: Bert Gunter [mailto:bgunter.4...@gmail.com] > Sent: Tuesday, 26 March, 2019 15:52 > To: Viechtbauer, Wolfgang (SP) > Cc: r-help mailing list > Subject: Re: [R] Substitution in expressions > > I believe you're going about this the wrong way. You seem to want > mathematical expressions. Fot this, see ?plotmath. > > Cheers, > Bert > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along and > sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > On Tue, Mar 26, 2019 at 6:28 AM Viechtbauer, Wolfgang (SP) < > wolfgang.viechtba...@maastrichtuniversity.nl> wrote: > Hi All, > > I am trying to create a vector of expressions, where the elements in the > expressions are contained in other vectors (i.e., they should be > substituted). I made some attempts with substitute() and bquote(), but > couldn't get this to work. My solution so far is: > > base <- 1:5 > expo <- c(2,2,3,3,4) > exvec <- as.expression(unname(mapply(function(x,y) bquote(.(x)^.(y)), > base, expo))) > > plot(NA, NA, xlim=c(0,6), ylim=c(0,2)) > text(1:5, 1, exvec) > > Any ideas how I could get this to work with substitute() and/or bquote()? > > Best, > Wolfgang > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
