Re: [igraph] How to rename vertices with contract.vertices() according to names of mapping vector

[capitano . nemo]

     g2 <- contract.vertices(g, factor(V(g)$category))

still gives

   print(get.data.frame(g2, what="vertices"))
               name
   c("A", "B") A, B
   c("1", "2") 1, 2



Il 24.11.2013 05:12 Gábor Csárdi ha scritto:
> On Sun, Nov 24, 2013 at 12:08 AM,  <address@hidden> wrote:
> > Hello list,
> >
> > Please consider the following graph with vertices of two categories 
> > ("digit"
> > and "char"):
> >
> >     id <- c("1","2","A","B")
> >     category <- c("digit","digit","char","char")
> >     from <- c("1","1","2","A","A","B")
> >     to <- c("2","A","A","B","1","2")
> >
> >     nodes <- cbind(id,category)
> >     edges <- cbind(from,to)
> >
> >     g <- graph.data.frame(edges, directed=TRUE, vertices=nodes)
> >
> > Now I want to contract the vertices based on the attribute "category":
>
> Try this:
>
> g2 <- contract.vertices(g, factor(V(g)$category))
>
> Gabor
>
> [...]
>
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