% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/interface.R
\name{gsize}
\alias{gsize}
\alias{ecount}
\title{The size of the graph (number of edges)}
\usage{
gsize(graph)

ecount(graph)
}
\arguments{
\item{graph}{The graph.}
}
\value{
Numeric scalar, the number of edges.
}
\description{
\code{ecount()} and \code{gsize()} are aliases.
}
\section{Related documentation in the C library}{
\href{https://igraph.org/c/html/0.10.17/igraph-Basic.html#igraph_ecount}{\code{ecount()}}
}

\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()
}
\seealso{
Other structural queries: 
\code{\link{[.igraph}()},
\code{\link{[[.igraph}()},
\code{\link{adjacent_vertices}()},
\code{\link{are_adjacent}()},
\code{\link{ends}()},
\code{\link{get_edge_ids}()},
\code{\link{gorder}()},
\code{\link{head_of}()},
\code{\link{incident}()},
\code{\link{incident_edges}()},
\code{\link{is_directed}()},
\code{\link{neighbors}()},
\code{\link{tail_of}()}
}
\concept{structural queries}
