Dyad census of a graph
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.
- The input graph. A warning is given if it is not directed.
- 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.
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.
triad.census for the same classification, but with triples.
g <- ba.game(100) dyad.census(g)