Abstract
Abstract Panel count data usually refer to data arising from studies on recurrent events in which study subjects are followed or observed only periodically rather than continuously. In these situations, the objective of interest is about the occurrence of some events that can occur multiple times or repeatedly and the studies resulting in this type of information are often referred to as event history studies. There are many fields that produce panel count data and they include medical studies, reliability experiments and social science. This article will review some basic concepts about panel count data, some common issues and questions of interest in their analysis as well as the corresponding statistical procedures that are available. In particular, we will discuss estimation of the mean function of the underlying counting process characterizing the occurrence of the events, comparison of several processes and regression analysis of panel count data. Some discussion will also be provided for situations that involve dependent or informative observation processes.
Published Version
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