# Incremental approach bb <- c(23, 45, 67) bsp <- barplot(bb,beside=TRUE) # get midpoints of the bars and plot
# draw lines segments( .7, 50, 1.9, 50) segments(.7, 50, .7, 48) segments(1.9, 50, 1.9, 48) # Or all in one go segments(c(.7, .7, 1.9), c(50,50,50), c(1.9,.7,1.9), c(50, 48, 48)) --- On Wed, 7/6/11, omernevo <nev...@gmail.com> wrote: > From: omernevo <nev...@gmail.com> > Subject: [R] Showing which bars in a bar chart are significantly different > To: r-help@r-project.org > Received: Wednesday, July 6, 2011, 4:37 PM > Hello, > > a probably rather stupid question to which I can't find an > answer: > > I have a bar chart, and I want to present which bars are > significantly > different by placing a line with an asterisk above then > (similarly to fig. 3 > in: http://jnm.snmjournals.org/content/46/4/574.figures-only). > > Does anyone have a reference where can I find some > instructions how to learn > this? > > Thanks a lot! > Omer > > -- > View this message in context: > http://r.789695.n4.nabble.com/Showing-which-bars-in-a-bar-chart-are-significantly-different-tp3649897p3649897.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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.