Try this: #some data y1=rnorm(1:3) y2=rnorm(1:3)
#draw two plots on the same screen par(mfrow=c(2,1),oma = c(6, 0, 5, 0)) par(mar=c(0, 5.1, 0, 5.1)) plot(y1,xaxt="n",type="n") #1st plot par(mar=c(0, 5.1, 0, 5.1)) plot(y2,xaxt="n",type="n") #2nd plot #try to draw lines onto each plot on the screen lines(y2) #draws a line in the 2nd plot par(mfg=c(1, 1)) lines(y1,col=2) #also draws a line in the 2nd plot, but that's not what I On 24/01/2008, tom soyer <[EMAIL PROTECTED]> wrote: > Hi, > > Suppose I already have two plots on the same screen, and I want to draw > lines in each of them. Is that possible in R? It seems that once you have > two plots on the screen, you can only draw lines in the the last plot, never > the 1st. Here is what I mean: > > #some data > y1=rnorm(1:3) > y2=rnorm(1:3) > > #draw two plots on the same screen > par(mfrow=c(2,1),oma = c(6, 0, 5, 0)) > par(mar=c(0, 5.1, 0, 5.1)) > plot(y1,xaxt="n",type="n") #1st plot > par(mar=c(0, 5.1, 0, 5.1)) > plot(y2,xaxt="n",type="n") #2nd plot > > #try to draw lines onto each plot on the screen > lines(y2) #draws a line in the 2nd plot > lines(y1,col=2) #also draws a line in the 2nd plot, but that's not what I > want. I want to draw the line in the 1st plot instead. > > Does anyone know if after more than one plot were drawn, can I still call > the 1st plot and draw a line in it? > > Thanks, > > -- > Tom > > [[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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.