igraph (version 1.3.5)

gsize: The size of the graph (number of edges)

Description

ecount is an alias of this function.

Usage

gsize(graph)

Value

Numeric scalar, the number of edges.

Arguments

graph

The graph.

See Also

Other structural queries: [.igraph(), [[.igraph(), adjacent_vertices(), are_adjacent(), ends(), get.edge.ids(), gorder(), head_of(), incident_edges(), incident(), is_directed(), neighbors(), tail_of()

Examples

g <- sample_gnp(100, 2/100)
gsize(g)
ecount(g)

# Number of edges in a G(n,p) graph
replicate(100, sample_gnp(10, 1/2), simplify = FALSE) %>%
  vapply(gsize, 0) %>%
  hist()