Hmmm.  I'm not sure why you prefer 20-30 lines of looping code over a
simpler 1 line solution, but, as you wish.

merge(df, df, by.x="V.2", by.y="V.1")[, c(2, 1, 3)]

Jean


On Mon, Aug 5, 2013 at 12:37 PM, PQuery <pierre.khoueiry@embl.de> wrote:

> Hello Jean,
>
> Thanks for the reply. However, you solution doesn't reproduce the output
> that I desire.
>
> I updated my post with my solution full of loops.
>
> If there is a more fancy/elegant way, I'll take it.
>
> Best,
>
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/obtain-triplets-from-Data-Frame-columns-tp4673091p4673164.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.
>

	[[alternative HTML version deleted]]

