R igraph manual pages

as_edgelist {igraph}

R Documentation

Convert a graph to an edge list

Description

Sometimes it is useful to work with a standard representation of a graph, like an edge list.

Usage

as_edgelist(graph, names = TRUE)

Arguments

graph	The graph to convert.
names	Whether to return a character matrix containing vertex names (ie. the name vertex attribute) if they exist or numeric vertex ids.

Details

as_edgelist returns the list of edges in a graph.

Value

A gsize(graph) by 2 numeric matrix.

See Also

graph_from_adjacency_matrix, read_graph

Examples

g <- sample_gnp(10, 2/10)
as_edgelist(g)

V(g)$name <- LETTERS[seq_len(gorder(g))]
as_edgelist(g)

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