Epifani, Ilenia; Lijoi, Antonio - Collegio Carlo Alberto, Università degli Studi di Torino - 2009
The paper proposes a new nonparametric prior for two-dimensional vectors of survival functions (S1,S2). The definition we introduce is based on the notion of Lévy copula and it will be used to model, in a nonparametric Bayesian framework, two-sample survival data. Such an application will yield...