Try this: unique(c(X))
On Fri, Feb 26, 2010 at 10:06 AM, Todd DeWees <t.dew...@cpse.dundee.ac.uk> wrote: > I have a 280,000 x 11 matrix with various values and many NA values. What I > would like to do is get a vector of every unique value in the matrix. > > For example: > > X = [ 1 2 NA > 4 3 1 > 7 NA 2 ] > > Returns: > Unique_X = [ 1, 2, 3, 4, 7] > > Thanks, > Todd > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.