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專題演講 主講人:何弘棋醫師(中國醫藥大學附設醫院心臟內科)

演講/學術活動公告
張貼人:網站管理員事件日期:2018-06-12
 
題 目:Estimation and Model Checking for General Semiparametric Recurrent Event Models
with Informative Censoring

主講人:何弘棋醫師(中國醫藥大學附設醫院心臟內科)   
     
時 間:107年6月12日(星期二)下午13:30-14:20
(下午13:10-13:30茶會於交大統計所428室舉行)

地 點:交大綜合一館427室


摘要

This research aims to explore a recurrent event process with informative censoring through a general semiparametric latent intensity regression model. When the distributions of a subject-specific latent variable and a censoring time are left unspecified, the distinct distribution features of the recurrent event times are shown to be linked to the shape parameter and should be taken into account when constructing the estimation and testing procedures. In light of this finding, different approaches are developed to estimate shape-dependent and -independent occurrence rate regression models. Especially, our novel estimation criteria are also useful for building test rules to check between competing occurrence rate regression models without specifying a significance level. Meanwhile, large-sample properties of the estimators and model selection consistency of the test statistics are established under very mild conditions. A finite-sample performance of the proposed estimators and testing procedures is further assessed through comprehensive simulations. Moreover, the applicability of the proposed methodology is demonstrated on recurrent event samples of intravenous drug users needing inpatient care and patients with chronic granulomatous disease.





最後修改時間:2018-06-12 PM 1:55

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