Hi > > Dear R users, > I am using package alphahull version 0.2-0 with R-2.13.0. Here is my problem. > I have produced a 2-D plot of points and need to draw convex hulls around > some subsets of these points. So I just need to add the convex hulls to > the already existing plot. That is why I cannot use the plot.hull > function. So, is there a way to just add the convex hulls to the already
> existing plot, just as the low level functions "lines" and "points" add > lines and points to an already existing plot? I suspect the solution is in > the "arc" function, but I am not sure. See ?chull and its help page. Regards Petr > > Any suggestions will be appreciated. > > Regards, > > Martin > > ______________________________________________ > 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. ______________________________________________ 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.