Nevil Amos <nevil.amos <at> gmail.com> writes: > How do I keep the linking column[s] in a merge()? > I need to use the values again in a further merge.
simple reproducible example please? (e.g. make up a couple of 4-row datasets that show what you want, what you are trying, and what you are getting instead). ______________________________________________ [email protected] 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.

