Re: [igraph] Problems with deleting vertices

[Gábor Csárdi]

On Thu, Aug 2, 2012 at 9:56 AM, Julian Hagenauer
<address@hidden> wrote:
> Hello,
> somehow igraph does not delete vertices for me.
> Am i doing something wrong?
>
>> g<-graph.ring(10)
>> vcount(g)
> [1] 10
>> delete.vertices(g,c(2,7,8))
> IGRAPH U--- 7 5 -- Ring graph
> + attr: name (g/c), mutual (g/x), circular (g/x)
>> vcount(g)
> [1] 10

R functions do not modify objects in place. They return the result.
I.e. you need to write this:

newg <- delete.vertices(g, c(2,7,8))

Gabor

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Gabor Csardi <address@hidden>     MTA KFKI RMKI