Hi,

Which version of igraph are you using?

T.

On Sat, May 6, 2017 at 12:35 AM, Rodrigo Matus Nicodemos <
[email protected]> wrote:

> Hello,
>
> I have a simple network I have generated on data I have.
>
> g <- graph.formula(A-D:M, C-B:D:G:K, C-B:E, D-A:B:F:H:L, E-C:I:O, F-D:M,
> G-B:J:K, H-D:I, I-E:H, J-G, K:B:N, L-D:M:N, M-A:F:L, N-K:L:O, O-E:N, P)
>
>  I have made the graph with this data and plotted it in R.
>
> However, I get an error message when I try to determine the communities in
> this network.
>
> eb <- cluster_edge_betweeness(g)
> Error: could not find function "cluster_edge_betweeness"
>
> or
>
> wc <- cluster_walktrap(g)
> Error: could not find function "cluster_walktrap"
>
> Why is this happening?
>
> Can I also plot the communities manually in R?
>
> Thank you.
>
> Rodrigo
>
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>
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