igraph (version 1.0.0)

as_edgelist: 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.

Value

• A gsize(graph) by 2 numeric matrix.

Details

as_edgelist returns the list of edges in a graph.

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)