Ok, so you simply need to use the methods David or I provided -- it looks like you don't even have to change the variable names...
Is there something that isn't clear now? Also, reproducible examples are much better if you use dput() so they are actually reproducible.... Michael On Tue, Apr 17, 2012 at 5:17 PM, phillip03 <phillipbrig...@hotmail.com> wrote: > This is the first and last part of my data frame. There is 3465 (not 7000) > observations so the "1 or 0" column has to be 3465 rows long aswell > > year country1 country2 contig comlang pop1 gdp1 > pop2 gdp2 rta dist avgflow > 1 1992 AUS AUT 0 0 17.4950008 321708.281 > 7.7825189 194684.078 0 15608.4 1.075999e+02 > 2 1992 AUS BEL 0 0 17.4950008 321708.281 > 10.0450001 231762.094 0 16319.2 4.767162e+02 > 3 1992 AUS CAN 0 1 17.4950008 321708.281 > 28.5195980 570291.188 0 15391.1 7.456945e+02 > 4 1992 AUS CHE 0 0 17.4950008 321708.281 > 6.8750000 249471.422 0 16170.1 4.625214e+02 > 5 1992 AUS DEU 0 0 17.4950008 321708.281 > 80.6240005 2062141.500 0 15935.1 2.047573e+03 > . > . > . > . > . > . > 3461 2006 NZL SWE 0 0 4.1253757 103873.211 > 9.0457277 384927.281 0 17389.6 1.371846e+02 > 3462 2006 NZL USA 0 1 4.1253757 103873.211 > 298.9880981 13201819.000 0 12765.8 3.273475e+03 > 3463 2006 PRT SWE 0 0 10.5896521 192571.922 > 9.0457277 384927.281 1 2821.6 6.624816e+02 > 3464 2006 PRT USA 0 0 10.5896521 192571.922 > 298.9880981 13201819.000 0 7004.5 2.381285e+03 > 3465 2006 SWE USA 0 0 9.0457277 384927.281 > 298.9880981 13201819.000 0 7440.5 9.777735e+03 > > -- > View this message in context: > http://r.789695.n4.nabble.com/How-to-add-specific-column-to-data-set-tp4565341p4566008.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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.
