Oh, yes, my bad. Merge works! I guess the reordering automatically made by Merge made me confused.
I wrote my code using Merge several months ago, and just didn't feel it right today. Thanks anyway! -- View this message in context: http://n4.nabble.com/Question-about-many-to-one-merge-tp1018811p1037528.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.