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% Generated by roxygen2 (4.1.1): do not edit by hand
% Please edit documentation in R/motifs.R
\name{dyad_census}
\alias{dyad.census}
\alias{dyad_census}
\title{Dyad census of a graph}
\usage{
dyad_census(graph)
}
\arguments{
\item{graph}{The input graph. A warning is given if it is not directed.}
}
\value{
A named numeric vector with three elements: \item{mut}{The number of
pairs with mutual connections.} \item{asym}{The number of pairs with
non-mutual connections.} \item{null}{The number of pairs with no connection
between them.}
}
\description{
Classify dyads in a directed graphs. The relationship between each pair of
vertices is measured. It can be in three states: mutual, asymmetric or
non-existent.
}
\examples{
g <- sample_pa(100)
dyad_census(g)
}
\author{
Gabor Csardi \email{csardi.gabor@gmail.com}
}
\references{
Holland, P.W. and Leinhardt, S. A Method for Detecting Structure
in Sociometric Data. \emph{American Journal of Sociology}, 76, 492--513.
1970.
Wasserman, S., and Faust, K. \emph{Social Network Analysis: Methods and
Applications.} Cambridge: Cambridge University Press. 1994.
}
\seealso{
\code{\link{triad_census}} for the same classification, but with
triples.
}
\keyword{graphs}
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