[Forum SIS] Seminario di Statistica al Politecnico di Milano 26 gennaio

[Alessandra Guglielmi]

Cari colleghi,

segnalo questo seminario.

Cordiali saluti

Alessandra Guglielmi
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Giovedì 26 gennaio 2012 alle ore 14:30 precise,
AULA CONSIGLIO , 7° Piano Dipartimento di Matematica, Politecnico di Milano
http://www.mate.polimi.it/contattateci.php
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Titolo: Borrowing Strength with Nonexchangeable Priors over Subpopulations

Speaker:* Fernando A. Quintana, Pontificia Universidad Catolica de 
Chile, Chile
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Abstract:* We introduce a nonparametric Bayesian model for a phase II 
clinical trial with patients presenting different subtypes of the 
disease under study. The objective is to estimate the success 
probability of an experimental therapy for
each subtype. We consider the case when small sample sizes require 
extensive borrowing of information across subtypes,but the subtypes are 
not a priori exchangeable. We introduce a variation of the product 
partition model that allows us to model a nonexchangeable prior structure.
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