Some Observations of $t^*$ on Mortality Curve at Very Old Age


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Authors

  • E. S. Lakshminarayanan School of Mathematics, Madurai Kamaraj University, Madurai, TamilNadu, India
  • C. Selvadeepa School of Mathematics, Madurai Kamaraj University, Madurai, TamilNadu, India

Keywords:

Survival function, Mortality function, Age-dependent stretched exponent (Shape parameter), Characteristic life and Vertex point

Abstract

In the absence of age specific mortality data, we give some observations of the point $t^*$ at which starts to decline in a mortality curve by the extended Weibull model (Weon model).

 

Author Biographies

E. S. Lakshminarayanan, School of Mathematics, Madurai Kamaraj University, Madurai, TamilNadu, India

 

 

C. Selvadeepa, School of Mathematics, Madurai Kamaraj University, Madurai, TamilNadu, India

 

 

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Published

15-03-2016

How to Cite

E. S. Lakshminarayanan, & C. Selvadeepa. (2016). Some Observations of $t^*$ on Mortality Curve at Very Old Age. International Journal of Mathematics And Its Applications, 4(1 - D), 35–40. Retrieved from http://ijmaa.in/index.php/ijmaa/article/view/614

Issue

Vol. 4 No. 1 - D (2016)

Section

Research Article

License

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.