[R] copy the columns based on the code

Sarah Goslee sarah.goslee at gmail.com
Mon Mar 26 19:24:36 CEST 2012


"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 <ricardosousa2000 at 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



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