Hi, On Tue, Feb 2, 2010 at 1:19 PM, anna <lippelann...@hotmail.com> wrote: > > Hello everyone, > I am trying to retrieve the list of distinct values within a whole data > frame. I tried to use unique() function but it retrieves the distinct values > within each column or row, I want it for the entire data frame, any idea?
Here's one way: R> df <- data.frame(a=c(1,2,3,4,3,2), b=c(4,5,6,6,4,3)) R> unique(unlist(df)) [1] 1 2 3 4 5 6 I guess funny things might happen when the columns of your data.frame are of different types, though ... -steve -- Steve Lianoglou Graduate Student: Computational Systems Biology | Memorial Sloan-Kettering Cancer Center | Weill Medical College of Cornell University Contact Info: http://cbio.mskcc.org/~lianos/contact ______________________________________________ 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.
