On Thu, Jul 24, 2008 at 04:45:14PM +0200, Kunzler, Andreas wrote: > Hy Richie, thank you for the quick response. > > Unfortunately my problems hold on. > > Once again: 2 vectors (numeric) including NAs > My intention: I want to replace the values of vector a that are smaller > than 2 and larger than 3 into NAs only in case vector b equals 1 > > a <- c(rep(seq(1,4),4),NA,NA) > b <- c(rep(seq(1,2),7),NA,NA,1,2)
Andreas, what is wrong with a[ (a < 2 | a > 3) & b==1 ] <- NA ? Isn't this what you want? Btw. I assume you mean replacing values that are either smaller than 2 _OR_ larger than 3, no number is smaller than 2 _AND_ larger than 3, at least if we consider the usual ordering on numbers. Best, Gabor [...] -- Csardi Gabor <[EMAIL PROTECTED]> UNIL DGM ______________________________________________ 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.
