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Re: [igraph] Attaching attributes to networks
From: |
Tamás Nepusz |
Subject: |
Re: [igraph] Attaching attributes to networks |
Date: |
Sat, 15 Oct 2011 20:35:03 +0100 |
> Situation 2: Measures that outputs aren’t related to all nodes (e.g.
> “articulation.points”). I tried to do the same illustrated in situation 1:
> V(g)$articulation <- articulation.points(g). The problem is that the
> attributes aren’t being attached to the exact vertexes. Is there any specific
> syntax to deal with this kind of attribute attaching?
How about:
V(g)$attr <- 0
V(g)[articulation.points(g)]$attr <- 1
This assigns a 1 to the articulation points and 0 to the others. (Note: you
might have to add 1 to the indexes returned by articulation.points, so check it
before you try it).
> Situation 3: Measures related to graph attributes (e.g. “graph.density”). I
> tried (g)<-graph.density(g), but it didn’t work. What is the syntax to attach
> a graph attribute?
g$attr <- value
Cheers,
Tamas