Sociometrics of Macaca mulatta. I. Linkages and cliques in grooming matrices.

Grooming interactions among adult Macaca mulatta tabulated on matrices are analysed by sociometric techniques. Centricity in the grooming network correlates with dominance among females but not among males. Extremecliques, 2-cliques and 3-cliques show the diverse relations of the males to the central group. Methods are explained and an algorhithm given for detecting cliques.