Try this: > DF V1 V2 1 1 2 2 1 3 3 1 4 4 1 5 5 2 3 6 2 4 7 3 2 8 4 1 9 4 3 10 4 5 11 5 2 12 5 4
> aggregate(V2 ~ V1, DF, paste, collapse = ' ') V1 V2 1 1 2 3 4 5 2 2 3 4 3 3 2 4 4 1 3 5 5 5 2 4 On Fri, Dec 10, 2010 at 1:20 PM, profaar <prof...@live.com> wrote: > > HI friends, > I have very lengthy graph data in edge list format. I want to convert it > into node list format. > > example: > EDGE LIST FORMAT > 1 2 > 1 3 > 1 4 > 1 5 > 2 3 > 2 4 > 3 2 > 4 1 > 4 3 > 4 5 > 5 2 > 5 4 > > ITS NODE LIST FORMAT SHOULD BE LIKE: > 1 2 3 4 5 > 2 3 4 > 3 2 > 4 1 3 > 5 2 4 > > Kindly suggest me which package in R provides the support to do my task. > Thank u friends in advance. > -- > View this message in context: > http://r.789695.n4.nabble.com/help-requested-tp3082147p3082147.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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[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.