Random choices of sets into which to divide objects. A kind of dual to assigning objects to random categories. A placeholder, clearly.
1 References
James. 2005. “Bayesian Poisson Process Partition Calculus with an Application to Bayesian Lévy Moving Averages.” Annals of Statistics.
Kingman. 1978. “The Representation of Partition Structures.” Journal of the London Mathematical Society.
Pitman. 1995. “Exchangeable and Partially Exchangeable Random Partitions.” Probability Theory and Related Fields.