A clustering cure rate model with application to a sealantstudy

被引:2
|
作者
Gallardo, Diego I. [1 ]
Bolfarine, Heleno [2 ]
Pedroso-de-Lima, Atonio Carlos [2 ]
机构
[1] Univ Antofagasta, Fac Ciencias Basicas, Dept Matemat, Antofagasta, Chile
[2] Univ Sao Paulo, Inst Matemat & Estat, Sao Paulo, Brazil
关键词
Bivariate random effects; competing risks; Dirichlet processes; EM algorithm; latent activation scheme; restricted maximum likelihood; MIXED-EFFECTS MODEL; VARIANCE-COMPONENTS; MIXTURE; LIKELIHOOD; CARCINOMA;
D O I
10.1080/02664763.2016.1267116
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
In this paper, the destructive negative binomial (DNB) cure rate model with a latent activation scheme [V. Cancho, D. Bandyopadhyay, F. Louzada, and B. Yiqi, The DNB cure rate model with a latent activation scheme, Statistical Methodology 13 (2013b), pp. 48-68] is extended to the case where the observations are grouped into clusters. Parameter estimation is performed based on the restricted maximum likelihood approach and on a Bayesian approach based on Dirichlet process priors. An application to a real data set related to a sealant study in a dentistry experiment is considered to illustrate the performance of the proposed model.
引用
收藏
页码:2949 / 2962
页数:14
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