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.
Value
A named numeric vector with three elements:
- mut
The number of pairs with mutual connections.
- asym
The number of pairs with non-mutual connections.
- null
The number of pairs with no connection between them.
References
Holland, P.W. and Leinhardt, S. A Method for Detecting Structure in Sociometric Data. American Journal of Sociology, 76, 492--513. 1970.
Wasserman, S., and Faust, K. Social Network Analysis: Methods and Applications. Cambridge: Cambridge University Press. 1994.
See also
triad_census()
for the same classification, but with
triples.
Other graph motifs:
count_motifs()
,
motifs()
,
sample_motifs()
Author
Gabor Csardi csardi.gabor@gmail.com
Examples
g <- sample_pa(100)
dyad_census(g)
#> $mut
#> [1] 0
#>
#> $asym
#> [1] 99
#>
#> $null
#> [1] 4851
#>