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INFLUENCE ANALYSIS FOR GENERALIZED ESTIMATING EQUATIONS  

Jung Kang-Mo (Department of Informatics and Statistics, Kunsan National University)
Publication Information
Journal of the Korean Statistical Society / v.35, no.2, 2006 , pp. 213-224 More about this Journal
Abstract
We investigate the influence of subjects or observations on regression coefficients of generalized estimating equations using the influence function and the derivative influence measures. The influence function for regression coefficients is derived and its sample versions are used for influence analysis. The derivative influence measures under certain perturbation schemes are derived. It can be seen that the influence function method and the derivative influence measures yield the same influence information. An illustrative example in longitudinal data analysis is given and we compare the results provided by the influence function method and the derivative influence measures.
Keywords
Derivative influence; diagnostics; generalized estimating equation; influence function; longitudinal data analysis;
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