thank you, Joerg. I am able to use points() to add the new data in the current plot.
Eric On 6/13/06, Joerg van den Hoff <[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. > > > > Eric > > > > ______________________________________________ > > 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 > > > matplot(cbind(x1,x2), cbind(y1,y2)) might be what you want. > > (if x1, x2 and y1,y2 are of equal length. otherwise pad the short ones > with NAs or use `matplot' with type =n (to get the scaling of the plot > right), followed by `plot(x1,y1), lines(x2,y2)') > ______________________________________________ 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
