"The problem is that it gives the result that I want." That's a new sort of problem.
You show two different merge() commands. What do you expect to happen, vs what does happen? Sarah On Mon, Mar 26, 2012 at 10:12 AM, MSousa <ricardosousa2...@clix.pt> wrote: > Thanks for the reply. > > I am using the function you gave me. > > complete.travel<-merge(travel, city, by.x = "Source", by.y = "cod", all = > TRUE) > complete.travel<-merge(travel, city, by.x = "Destine", by.y = "cod", all = > TRUE > > > The problem is that it gives the result that I want > The idea is based on the column of source and intended Identify the > cities and put a new data structure > > The idea is something like this. > pos Source city Destine city_destine > 1 1 Barcelona 2 Madrid > 1 1 Barcelona 3 Lisbon > 2 3 Lisbon 4 Milan > 3 2 Madrid 4 Milan > > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ 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.
