Thanks Tamas! I did it a slightly different way, the default was stored in
`nei.list`, followed by
lapply(nei.list, function (x) x[-1])
Thanks,
Aditya
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On
Behalf Of Tamas Nepusz
Sent: Sunday, March 20, 2016 3:33 PM
To: Help for igraph users
Subject: Re: [igraph] neighborhood
> I am using igraph in R to compute the neighborhood (order 1, i.e.
> direct
> links) of vertices in a graph. By default, the return values contain
> the seed vertex (i.e. neighbor of order 0). Is there an way to only
> get the order 1 neighbors?
How about this:
> g <- make_ring(10) # just to have an example graph
> induced_subgraph(g, neighbors(g, 2))
If you need it for more than one vertex:
> lapply(c(2,3,4), function(x) { induced_subgraph(g, neighbors(g, x)) })
T.
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