Regression Parameter Estimation from Panel Counts

X. Joan Hu, Jianguo Sun and Lee‐jen Wei

Scandinavian Journal of Statistics, 2003, vol. 30, issue 1, 25-43

Abstract: This paper considers a study where each subject may experience multiple occurrences of an event and the rate of the event occurrences is of primary interest. Specifically, we are concerned with the situations where, for each subject, there are only records of the accumulated counts for the event occurrences at a finite number of time points over the study period. Sets of observation times may vary from subject to subject and differ between groups. We model the mean of the event occurrence number over time semiparametrically, and estimate the regression parameter. The proposed estimation procedures are illustrated with data from a bladder cancer study (Byar, 1980). Both asymptotics and simulation studies on the estimators are presented.

Date: 2003
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