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Shared frailty models with baseline generalized Pareto distribution

Author

Listed:
  • Arvind Pandey
  • Shashi Bhushan
  • Ralte Lalpawimawha

Abstract

In this article, we have considered three different shared frailty models under the assumption of generalized Pareto Distribution as baseline distribution. Frailty models have been used in the survival analysis to account for the unobserved heterogeneity in an individual risks to disease and death. These three frailty models are with gamma frailty, inverse Gaussian frailty and positive stable frailty. Then we introduce the Bayesian estimation procedure using Markov chain Monte Carlo (MCMC) technique to estimate the parameters. We applied these three models to a kidney infection data and find the best fitted model for kidney infection data. We present a simulation study to compare true value of the parameters with the estimated values. Model comparison is made using Bayesian model selection criterion and a well-fitted model is suggested for the kidney infection data.

Suggested Citation

  • Arvind Pandey & Shashi Bhushan & Ralte Lalpawimawha, 2019. "Shared frailty models with baseline generalized Pareto distribution," Communications in Statistics - Theory and Methods, Taylor & Francis Journals, vol. 48(17), pages 4425-4447, September.
    • Handle: RePEc:taf:lstaxx:v:48:y:2019:i:17:p:4425-4447
    DOI: 10.1080/03610926.2018.1500597
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