Modeling Partitions of Individuals

Despite the central role of self-assembled groups in animal and human societies, statistical tools to explain their composition are limited. The authors introduce a framework for cross-sectional observations with exclusive membership illuminate social organizational mechanisms that bring people together. Drawing from stochastic models networks partitions, proposed introduces an exponential family distributions partitions. derive its main mathematical properties suggest strategies specify estimate such models. A case study on hackathon events applies developed underlying formation project teams.