The social network of a university karate club described in the paper "An Information Flow Model for Conflict and Fission in Small Groups" by Wayne W. Zachary.
Edges indicate social interactions between members
data(karate)
A list with the elements:
The adjacency matrix of the karate club network
The shortest-path distance between nodes
Node labels. 'A' and 'H' are John A. and Mr. Hi, who led the two groups after the split of the club
The two groups after the split