Bayesian Inference for Geometric Process with Generalized Exponential Distribution

There is no doubt that precise and effective estimation of model parameters is crucial in many fields. In this study, the Bayesian and classical estimators for the geometric process are discussed under the assumption that [Formula: see text] has a generalized exponential distribution with parameters [Formula: see text]. The maximum likelihood estimation method is used in classical parameter estimation. Then, the asymptotic distributions are constructed based on the maximum likelihood estimator. A test statistic is also developed based on maximum likelihood estimators for testing whether [Formula: see text] or not. The loss function and prior distribution play an important role in Bayesian inference. Therefore, Bayes estimators of the unknown model parameters are obtained under symmetric (squared error loss function) and asymmetric (linear exponential, and general entropy) loss functions using uniform and gamma priors on the ratio a and [Formula: see text] parameters, respectively. Lindley and MCMC approximation methods are used for Bayesian calculations. An extensive Monte Carlo simulation study compared the efficiencies of classical estimators with Bayes estimators. It is seen that the Bayes estimators perform better than the classical estimators. A real-life example is also presented for application purposes.

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Publication Details

Journal
Fluctuation and Noise Letters
Published
2025-05-23
DOI
https://doi.org/10.1142/s0219477525500579
Primary Topic
Bayesian Methods and Mixture Models
Type
article
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article

Bayesian Inference for Geometric Process with Generalized Exponential Distribution

Asuman Yılmaz
Fluctuation and Noise Letters
Bayesian Methods and Mixture Models
article

Bayesian Inference for Geometric Process with Generalized Exponential Distribution

Asuman Yılmaz
article en

Abstract

There is no doubt that precise and effective estimation of model parameters is crucial in many fields. In this study, the Bayesian and classical estimators for the geometric process are discussed under the assumption that [Formula: see text] has a generalized exponential distribution with parameters [Formula: see text]. The maximum likelihood estimation method is used in classical parameter estimation. Then, the asymptotic distributions are constructed based on the maximum likelihood estimator. A test statistic is also developed based on maximum likelihood estimators for testing whether [Formula: see text] or not. The loss function and prior distribution play an important role in Bayesian inference. Therefore, Bayes estimators of the unknown model parameters are obtained under symmetric (squared error loss function) and asymmetric (linear exponential, and general entropy) loss functions using uniform and gamma priors on the ratio a and [Formula: see text] parameters, respectively. Lindley and MCMC approximation methods are used for Bayesian calculations. An extensive Monte Carlo simulation study compared the efficiencies of classical estimators with Bayes estimators. It is seen that the Bayes estimators perform better than the classical estimators. A real-life example is also presented for application purposes.

Fluctuation and Noise LettersVol. 24(06)
Van Yüzüncü Yıl Üniversitesi (TR)
Openalex Percentile: Top 95%
Bayesian Methods and Mixture Models
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