Inference on the Parameters of Zubair-Exponential Distribution with Application to Survival Times of Guinea Pigs
Ifeanyi C. Anabike, Chinyere P. Igbokwe, Chrisogonus K. Onyekwere, Okechukwu J. Obulezi
Journal of Advances in Mathematics and Computer Science · pp. 12–35 · Published 17 Apr 2023
10.9734/jamcs/2023/v38i71769Abstract
In this paper, we derived a sub-model of Zubair-G familiy of distribution named Zubair-Exponential distribution with two parameters. Simulation of the Estimates of the parameters based on some classical methods are obtained. The likelihood equations and the maximum likelihood estimator as well as asymptotic confidence interval are derived. Bayes estimates with the estimates of the associated greatest posterior density credible interval are derived using squared error Loss (SEL), Linear-Exponential (LINEX) and Generalized Entropy Loss (GEL) functions. Using the Metropolis-Hasting algorithm and the method of Markov Chain Monte Carlo (MCMC), estimates of Bayes are summarized. To determine the performance of the estimates, a Monte Carlo simulation study is carried out and maximum likelihood estimates, their standard errors and measures of fitness using real data on survival times of Guinea pigs are obtained. The proposed distribution has a better fit based on Akaike Information criterion (AIC) and the Bayesian Information criterion (BIC).
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