[R] igraph

[Paul Murrell]

Hi


gabrielap wrote:
> Hello...
> 
>      I am a system engeenering student and I am using R for first time for
> Graph Theory. I would like to know if there is anyway you can plot an ghaph
> (igraph library) and obtain a graph whose vertices dont appear identified
> with number, instead I would like the vertices to be identified with letters
> or words, names... is there anyway I can do this?


You can set the "label" attribute for the graph vertices, for example, ...

g <- graph.ring(10)
plot(g)
g <- set.vertex.attribute(g, "label", value=letters[1:10])
plot(g)

Paul


>      Thanks in Advance for your Help.
> 
> Sincerly.
> 
> Gabriela Prasad
> 
> P.D. Sorry for my not at all perfect english. I am from a Spanish Country.

-- 
Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
Auckland
New Zealand
64 9 3737599 x85392
paul at stat.auckland.ac.nz
http://www.stat.auckland.ac.nz/~paul/