Hi you can also use abline function
x<-rnorm(10) plot(1:10, x) abline(v=seq(2,10,2), lwd=50, col="lightblue") lines(1:10, x, type="b") Regards Petr r-help-boun...@r-project.org napsal dne 19.04.2010 20:59:15: > On 04/15/2010 12:36 AM, senne wrote: > > > > hi R gurus > > > > > > I saw some graphs with vertical band like this one: > > > > > > http://pragcap.com/wp-content/uploads/2010/04/GS.png > > > > > > how to draw the blue band in R, can't find any clue to do this,any ideas? > > > > See the source code for nber.xy and nberShade.ggplot in the "tis" > package by Jeff Hallman. They both do what you want. > > I'm working on something similar. Besides drawing the bands, my version > will also vary heights optionally (rather than have bands stretching the > entire height of the graph) and use ggplot2. > > Marsh Feldman > > ______________________________________________ > 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.