Journal of applied mathematics & informatics
- Volume 18 Issue 1_2
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- Pages.311-320
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- 2005
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- 2734-1194(pISSN)
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- 2234-8417(eISSN)
ESTIMATION AND SENSITIVITY OF GOMPERTZ PARAMETERS WITH MORTALITY DECELERATION RATE
- PITCHAIMANI M. (School of Mathematics, Madurai Kamaraj University)
- Published : 2005.03.01
Abstract
Studies in the evolutionary biology of aging require good estimates of the age-dependent mortality rate coefficient (one of the Gompertz parameters). In this paper we introduce an alternative algorithm for estimating this parameter. And we discuss the sensitivity of the estimates to changes in the other model parameters.
Keywords
- Deceleration rate;
- Gompertz survival model;
- logistic frailty model;
- maximum lifespan;
- mortality rate;
- sensitivity;
- survival function;
- unique