On 10/22/2009 12:37 PM, David Kaplan wrote: > Greetings, > > I am recoding a dummy variable (coded 1,0) so that 0 = 2. I am using > the line > > sciach$dummyba[sciach$ba==0] <- 2 > > I notice that it creates a new column dummyba, with 0 coded as 2 but > with 1's now coded as NA. Is there a simple way around this in the line > I am using, or do I need to have an additional line > > sciach$dummyba[sciach$ba==1] <- 1
You might do the recoding like this: with(sciach, ifelse(ba == 0, 2, ifelse(ba == 1, 1, NA))) or like this: sciach$ba * -1 + 2 > Thanks in advance. > > David > > ______________________________________________ > 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. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 ______________________________________________ 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.