Goodness-of-Fit Tests for GEE Models with Longitudinal Ordinal Data Using a Global Odds Ratio

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题名:	Goodness-of-Fit Tests for GEE Models with Longitudinal Ordinal Data Using a Global Odds Ratio
作者:	Lin, Kuo-Chin;Chen, Yi-Ju;Liu, Chin-Yun
贡献者:	淡江大學統計學系
关键词:	GEE;Global odds ratio;Goodness-of-fit;Longitudinal ordinal data;Residual analysis
日期:	2011-06
上传时间:	2011-10-01 01:11:03 (UTC+8)
出版者:	Toroku: ICIC International
摘要:	Longitudinal ordinal responses are commonly analyzed in biomedical studies and are often fitted by the generalized estimating equations (GEE) approach. The assessment of model fit is an important issue for model inference. The purpose of this article is to develop goodness-of-fit tests for GEE models with longitudinal ordinal data based on residual analysis using the global odds ratio as a measure of association. Our method can be regarded as an alternative approach of Lin's tests (Computational Statistics and Data Analysis 2010; 54:1872-1880) by considering a variety of working correlation structures. Two tests related to Pearson chi-squared and unweighted sum of residual square are proposed and two propositions of the approximate expectation and variance of the proposed test statistics are derived.
關聯:	ICIC Express Letters 5(6), pp.1821-1826
显示于类别:	[統計學系暨研究所] 期刊論文

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