First off, let me apologize for the elementary question. I'm obviously a novice.
Here's a stripped version of my problem. March foreign id = 1234, my id = 1 foreign id = 1235, my id = 2 foreign id = 1236, my id = 3 So we are adding new people for April, and things don't necessarily come in order: April foreign id = 1236 foreign id = 5000 foreign id = 1234 foreign id = 1235 foreign id = 7777 I need to create a vector of my own IDs. "1236" would obviously need to be translated to my id = 3 but I would also need to incrementally add a new "my id" for our new entry, so I'd want foreign id 5000 to be translated to my id 4, and foreign id = 7777 to be translated into my id 5. Please help! I have puzzled over this for far longer than I'd care to admit, late into last night and now all morning. -- View this message in context: http://r.789695.n4.nabble.com/Converting-ID-Numbers-to-Unique-ID-Number-tp3827281p3827281.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.
