I'm having a bit of trouble recoding factors in a fields. I have a field which has the factors Singleton, Twin and Triplet. I want to recode the field to have only the factors Singleton and Multiple. Any advice? Cheers, Neil
Neil Leonard wrote:> I'm having a bit of trouble recoding factors in a fields. > > I have a field which has the factors Singleton, Twin and Triplet. > I want to recode the field to have only the factors Singleton and Multiple.>> Any advice?Depends on what you are going to do with the Twin ... Uwe Ligges> Cheers, > Neil > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html
See ?levels. I think you want something like the following: levels(myfact) <- c("Singleton", "Multiple", "Multiple") Neil Leonard wrote:> I'm having a bit of trouble recoding factors in a fields. > > I have a field which has the factors Singleton, Twin and Triplet. > I want to recode the field to have only the factors Singleton and Multiple. > > Any advice?-- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 452-1424 (M, W, F) fax: (917) 438-0894