Do you just want to assign an identifier to each line, that is call the first 33 lines are speciman A the next are speciman b etc?
Assuming the data set is in a data.frame called xx try something like this group <- rep(1:33, each=79) data.frame (group,xx) John --- On Tue, 8/11/09, Fabio Murtas <fabio.mur...@gmail.com> wrote: > From: Fabio Murtas <fabio.mur...@gmail.com> > Subject: [R] Categorizing Lines > To: "r-help@r-project.org" <r-help@r-project.org> > Received: Tuesday, August 11, 2009, 2:48 PM > > Hi all, i have a dataset of 3D coordinates and can't figure > out how to' tell R which One Are the individuals: > > I have 3 columns which i named x,y and z > And then i have 2607 Lines, but each specimen is 33 Lines > (79 specimens) > > How can i tell R to' categorize individuals every 33 > Lines? __________________________________________________________________ [[elided Yahoo spam]] ______________________________________________ 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.