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General Departmental Seminar Series

JOINT SEMINAR BETWEEN DEPARTMENTS OF STATISTICS AND BIOSTATISTICS AND MEDICAL INFORMATICS

Recent Results on the Analysis of Current Status Data

Nick Jewell, Professor of Biostatistics and Statistics University of California, Berkeley

Wednesday, September 18, 2002, 4:00 - 5:00 p.m.

1221 Computer Sciences and Statistics Center, 1210 West Dayton St.

ABSTRACT

Researchers working with survival data are by now adept at handling issues associated with incomplete data, particular those associated with various forms of censoring. An extreme form of interval censoring, known as current status observation, refers to situations where the only available information on a survival random variable T is whether or not T exceeds a random independent monitoring time C. This talk will give a brief review of the extensive literature on the analysis of current status data, discussing the implications of response-based sampling on these methods. The majority of the will then focus on some recent extensions of these ideas to more complex forms of survival data including, competing risks, multivariate survival data, and general counting processes. Our remarks will be largely focused on nonparametric techniques where the form of the distribution function, or survival curve, associated with T, is left unspecified. Some exmaples where these methods have been applied will be used for illustration.


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