Like this? x <- 4:7 barplot(x, density=10, angle=180)
--- On Thu, 9/9/10, Steve Murray <smurray...@hotmail.com> wrote: > From: Steve Murray <smurray...@hotmail.com> > Subject: [R] Alignment of lines within barplot bars > To: r-help@r-project.org > Received: Thursday, September 9, 2010, 11:35 AM > > Dear all, > > I have a barplot upon which I hope to superimpose > horizontal lines extending across the width of each bar. I > am able to partly achieve this through the following set of > commands: > > positions <- barplot(bar_values, col="grey") > par(new=TRUE) > plot(positions, horiz_values, col="red", pch="_", > ylim=c(min(bar_values), max(bar_values))) > > > ...however this results in small, off-centred lines, which > don't extend across the width of each bar. I've tried using > 'cex' to increase the width, but of course this also > increases the height of the line and results in it spanning > a large range of y-axis values. > > > I'm sure this shouldn't be too tricky to achieve, nor that > uncommon a problem! It may be that I'm taking the wrong > approach. > > Any help offered would be gratefully received. > > Many thanks, > > Steve > > > > > > ______________________________________________ > 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. > ______________________________________________ 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.