Return Zachary’s Karate club graph.
References
| [R244] | Zachary W. An information flow model for conflict and fission in small groups. Journal of Anthropological Research, 33, 452-473, (1977). |
| [R245] | Data file from: http://vlado.fmf.uni-lj.si/pub/networks/data/Ucinet/UciData.htm |