What version of R are you using? x = ecdf(rnorm(50)); y = ecdf(rnorm(50))
plot(x); lines(y, col=2) works for me on R 2.13.1. Specifically, there is a lines.stepfun method (albeit non-visible) which handles this. Michael On Sat, Sep 24, 2011 at 12:23 PM, Adel ESSAFI <adel.s...@imag.fr> wrote: > Hello, > > is ot possible to draw two ecdf of vectors (say s1 and s2) on the same > figire with R. > > plot function draws a new plot and there is no function like points or > lines > to draw a second ecdf on the figure. > > Regards > > > -- > *PhD candidate in Computer Science > Address > 3 avenue lamine, cité ezzahra, Sousse 4000 > Tunisia > tel: +216 97 246 706 > fax: +216 71 391 166* > > [[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. > > [[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.