Your question is not really clear, do either of these examples do what you want?
with(anscombe, plot(x1, y2, ylim=range(y2,y3)) ) with(anscombe, points(x1, y3, col='blue', pch=2) ) with(anscombe, segments(x1, y2, x1, y3, col=ifelse( y2>y3, 'green','red') ) ) with(anscombe, plot(x1, y2, ylim=range(y2,y3), type='n') ) with(anscombe[order(anscombe$x1),], polygon( c( x1,rev(x1) ), c(y2, rev(y3)), col='grey' ) ) -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of khush ........ > Sent: Thursday, June 10, 2010 7:48 AM > To: r-help@r-project.org > Subject: [R] points marking > > Hi, > > How to mark points on x axis of a graph keeping x axis as constant and > changing y from y1 to y2 respectively. I want to highlight the area > from y1 > to y2. > > Any suggestions > > Thank you > Jeet > > [[alternative HTML version deleted]] > > ______________________________________________ > 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.
