Marginal analyses of longitudinal data with an informative pattern of observations

Farewell, Daniel ORCID: https://orcid.org/0000-0002-8871-1653 2010. Marginal analyses of longitudinal data with an informative pattern of observations. Biometrika 97 (1) , pp. 65-78. 10.1093/biomet/asp068

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Abstract

We consider solutions to generalized estimating equations with singular working correlation matrices, of which the estimator of Diggle et al. (2007) is a special case. We give explicit conditions for consistent estimation when the pattern of observations may be informative. In such cases, simulations reveal reduced bias and reduced mean squared error compared with existing alternatives. A study of peritoneal dialysis is used to illustrate the methodology.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Medicine
Subjects:	R Medicine > R Medicine (General)
Uncontrolled Keywords:	Generalized estimating equation; Informative observation; Linear increments; Longitudinal data
Publisher:	Oxford University Press
ISSN:	0006-3444
Last Modified:	19 Oct 2022 10:50
URI:	https://orca.cardiff.ac.uk/id/eprint/25674

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