Thanks Jim. This seems to work for my case already. Eric
On 6/13/06, Jim Lemon <[EMAIL PROTECTED]> wrote: > Eric Hu wrote: > > Hi I am trying to plot two data set in the same picture window without > > overlapping with each other. I am using the format plot(x1,y1,x2,y2) > > but get the following error message: > > > > > >>plot(as.numeric(r0[,4]),as.numeric(r0[,7]),as.numeric(r0[,4]),as.numeric(r0[,7][ind[,1]])) > > > > Error in plot.window(xlim, ylim, log, asp, ...) : > > invalid 'ylim' value > > > > Can anyone tell me what went wrong? Thanks. > > plot is probably interpreting one of your data vectors as the ylim > argument. If you want to plot multiple data series of different lengths, > it is probably simplest to use points() (or lines()) after plotting the > first one. For an example of this, see: > > http://cran.r-project.org/doc/contrib/Lemon-kickstart/kr_addat.html > > Jim > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html