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A generalized Q–Q plot for longitudinal data



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Pardo Llorente, María del Carmen y Alonso Sanz, Rosa (2012) A generalized Q–Q plot for longitudinal data. Journal of Applied Statistics, 39 (11). 2349 -2362. ISSN 0266-4763

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URL Oficial: http://www.tandfonline.com/doi/pdf/10.1080/02664763.2012.710896

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Most biomedical research is carried out using longitudinal studies. The method of generalized estimating equations (GEEs) introduced by Liang and Zeger [Longitudinal data analysis using generalized linear models, Biometrika 73 (1986), pp. 13-22] and Zeger and Liang [Longitudinal data analysis for discrete and continuous outcomes, Biometrics 42 (1986), pp. 121-130] has become a standard method for analyzing non-normal longitudinal data. Since then, a large variety of GEEs have been proposed. However, the model diagnostic problem has not been explored intensively. Oh et al. [Modeldiagnostic plots for repeated measures data using the generalized estimating equations approach, Comput. Statist. Data Anal. 53 (2008), pp. 222-232] proposed residual plots based on the quantile-quantile (Q-Q) plots of the chi(2)-distribution for repeated-measures data using the GEE methodology. They considered the Pearson, Anscombe and deviance residuals. In this work, we propose to extend this graphical diagnostic using a generalized residual. A simulation study is presented as well as two examples illustrating the proposed generalized Q-Q plots.

Tipo de documento:Artículo
Palabras clave:longitudinal data; generalized estimating equations; generalized residual; Q-Q plot
Materias:Ciencias > Matemáticas > Estadística aplicada
Código ID:17432
Depositado:13 Dic 2012 10:37
Última Modificación:22 Abr 2016 07:56

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