Hi r-help-boun...@r-project.org napsal dne 16.04.2010 14:00:09:
> I have a problem with the merge command. > I have to merge two dataframe that looks like the following example: > > CODPROD N1 N3 N4 > 23 3 55 4 > 24 5 67 36 > 25 3 73 24 > > > > second data frame > > > CODPROD N1 N2 > 30 34 45 > 45 0 78 > 65 0 56 > > > The result should be: > > CODPROD N1 N2 N3 N4 > 23 3 NA 55 4 > 24 5 NA 67 36 > 25 3 NA 73 24 > 30 34 45 NA NA > 45 0 78 NA NA > 65 0 56 NA NA merge(data1, data2, by="CODPROD", all=T) should work. So what does not work in your case? Regards Petr > > Anyone knows how to do it?? > > ______________________________________________ > 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. ______________________________________________ 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.
