The zoomplot function in the TeachingDemos package can be used for this (it actually redoes the entire plot, but with new limits). This will generally work for a quick exploration, but for quality plots it is suggested to create the 1st plot with the correct range to begin with.
-- 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-bounces@r- > project.org] On Behalf Of jcano > Sent: Thursday, December 01, 2011 11:12 AM > To: r-help@r-project.org > Subject: [R] Change the limits of a plot "a posteriori" > > Hi all > > How can I change the limits (xlim or ylim) in a plot that has been > already > created? > > For example, consider this naive example > curve(dbeta(x,2,4)) > curve(dbeta(x,8,13),add=T,col=2) > > When adding the second curve, it goes off the original limits computed > by R > for the first graph, which are roughly, c(0,2.1) > > I know two obvious solutions for this, which are: > 1) passing a sufficiently large parameter e.g. ylim=c(0,4) to the first > graphic > curve(dbeta(x,2,4),ylim=c(0,4)) > curve(dbeta(x,8,13),add=T,col=2) > > or > > 2) switch the order in which I plot the curves > curve(dbeta(x,8,13),col=2) > curve(dbeta(x,2,4),add=T) > > but I guess if there is any way of adjusting the limits of the graphic > "a > posteriori", once you have a plot with the undesired limits, forcing R > to > redraw it with the new limits, but without having to execute again the > "curve" commands > > Hope I made myself clear > > Best regards and thank you very much in advance > > > -- > View this message in context: http://r.789695.n4.nabble.com/Change-the- > limits-of-a-plot-a-posteriori-tp4129750p4129750.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.