Please use this identifier to cite or link to this item:
Title: Testes de igualdade e de comparações múltiplas para várias proporções binomiais independentes
Other Titles: Tests of equality and multiple comparisons of several independent binomial proportions
Keywords: Simulação de Monte Carlo
Proporções binomiais
Teste de comparações múltiplas bayesianas
Monte Carlo simulation
Binomial proportions
Bayesian multiple comparison test
Issue Date: Oct-2011
Publisher: Universidade Estadual Paulista
Citation: BIASE, N. G.; FERREIRA, D. F. Testes de igualdade e de comparações múltiplas para várias proporções binomiais independentes. Revista Brasileira de Biometria, São Paulo, v. 29, n. 4, p. 549-570, out./dez. 2011.
Abstract: In frequentist theory, inferences about more than two binomial proportions are performed using analysis of variance and multiple comparisons procedures, or still, by means of asymptotic tests and computational intensive methods. All these procedures have limitations due to violations of some of the assumptions required by tests. Therefore, this work aimed to propose a bayesian multiple comparisons test for proportions and a binomial test for the equality of several binomial proportions, and also to evaluate their performance using Monte Carlo simulation. Independent binomial populations with parameters πi and ni i = 1, 2, ..., k were considered and Monte Carlo simulations were performed for each configuration involving combinations the quantities k, ni ’s and πi ’s, considering conjugate betas prior with parameters αi and βi , settled by trial and error for minimizing the type I error rates and maximizing the power. The TB for equality of several binomial proportions showed excellent performance and relatively high power. The TCMB for binomial proportions, under complete and partial H0 , was conservative and showed high power.
Appears in Collections:DEX - Artigos publicados em periódicos

Files in This Item:
There are no files associated with this item.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.