> Am > I right in thinking that this *should* also remove the -99s (NA > values)? Because at present, the lower end ot the file looks like this:
Judging from your output, the -99's haven't been converted to NA's - you can fix this (and the 88s) by doing: PopDens[PopDens == -99] <- NA PopDens[PopDens == 88] <- NA Hadley -- http://had.co.nz/ ______________________________________________ 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.
