Destructive weighted Poisson cure rate models |
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Authors: | Josemar Rodrigues Mário de Castro N Balakrishnan Vicente G Cancho |
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Institution: | 1.Departamento de Estatística,Universidade Federal de S?o Carlos,S?o Carlos,Brazil;2.Instituto de Ciências Matemáticas e de Computa??o,Universidade de S?o Paulo,S?o Carlos,Brazil;3.Department of Mathematics and Statistics,McMaster University,Hamilton,Canada |
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Abstract: | In this paper, we develop a flexible cure rate survival model by assuming the number of competing causes of the event of interest
to follow a compound weighted Poisson distribution. This model is more flexible in terms of dispersion than the promotion
time cure model. Moreover, it gives an interesting and realistic interpretation of the biological mechanism of the occurrence
of event of interest as it includes a destructive process of the initial risk factors in a competitive scenario. In other
words, what is recorded is only from the undamaged portion of the original number of risk factors. |
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Keywords: | |
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