I'm confused: > x <- 1:2 > is.na(x) <- 1 > x [1] NA 2
OK, but > x <- c("A", "B") > is.na(x) <- "A" > x A "A" "B" NA What happens? G_ran ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.