Hi Arnaud, is very simple:
> unique( datos) Regards 2009/3/10 <arnaud_mosn...@uqar.qc.ca> > > Dear R users, > > I have a table with the following form > > STATION X Y > 1 -70 30 > 1 -70 30 > 1 -70 30 > 2 -72 29 > 2 -72 29 > 2 -72 29 > 2 -72 29 > > How want to extract unique value for those columns ... I am sure it is very > simple, but I can not achieve to find the correct way ! > > I want to obtain something like > > STATION X Y > 1 -70 30 > 2 -72 29 > > Thanks !!! > > [[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. > [[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.
