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This is the preliminary program for the 2007 Joint Statistical Meetings in Salt Lake City, Utah.

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Activity Number: 420
Type: Contributed
Date/Time: Wednesday, August 1, 2007 : 10:30 AM to 12:20 PM
Sponsor: ENAR
Abstract - #309863
Title: A Generalized Bivariate Gamma Distribution and Its Characterization
Author(s): Norou Diawara*+ and Mark Carpenter
Companies: Old Dominion University and Auburn University
Address: 4700 Elkhorn Ave, Norfolk, VA, 23529,
Keywords: Survival ; Reliability models ; Bivariate Gamma ; Dirac measure
Abstract:

Because of the numerous applications, characterization of multivariate survival distributions is still of a growing research area. We restrict the marginals to a specified lifetime distribution, while proposing a linear relationship between the marginals with an error random variable that we completely characterize. The distributions are all of positive support, but some one class has a positive a probability of simultaneous occurrence. In that sense, we capture the absolutely continuous case, and the Marshall-Olkin type with a positive probability of simultaneous event on a set of measure zero. We extend the results available in the literature and propose and study the properties of various parameter estimators.


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Revised September, 2007