Clustered Mallows Model

arXiv:2403.12880v1 Announce Type: cross
Abstract: Rankings are a type of preference elicitation that arise in experiments where assessors arrange items, for example, in decreasing order of utility. Orderings of n items labelled {1,...,n} denoted are permutations that reflect strict preferences. For a number of reasons, strict preferences can be unrealistic assumptions for real data. For example, when items share common traits it may be reasonable to attribute them equal ranks. Also, there can be different importance attributions to decisions that …

abstract arxiv assumptions data example permutations rankings real data stat.me stat.ml type utility