On Sun, Jul 20, 2008 at 1:44 PM, David Epstein <[EMAIL PROTECTED]> wrote: > Please excuse me for asking such basic questions: > > Here is my code >> >> y=c(1.21,0.51,0.14,1.62,-0.8,0.72,-1.71,0.84,0.02,-0.12) >> ybar=mean(y) >> ll=length(y); >> ybarv=rep(ybar,ll) >> x=1:ll >> plot(x,ybarv,pch=1) >> segments(x[1],ybar,x[ll],ybar) > > What I get is a collection of small circles, with a segment "on top" of the > circles, which is almost what I want. But I don't want the segment to be > visible inside any small circle. > > Is there an easy way to arrange for the segment to "lie behind" the pch=1 > markers, as in hidden line removal, so that the circles remain with nothing > inside them? I tried putting the segments command first, but then no segment > appeared at all. > > In general, is there a method of laying a drawing "on top" of another. I > tried inserting add="T" as an argument to plot, and R objected strongly.
What about replacing segments(x[1],ybar,x[ll],ybar) plot(x,ybarv,pch=1) with plot(x,ybarv,type="b") ? Paul ______________________________________________ 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.
