Parametric inferences using dependent competing risks data with partially observed failure causes from MOBK distribution under unified hybrid censoring

In this communication, various statistical inferential procedures for estimating unknown model parameters are investigated via utilizing partially observed dependent competing risks data under the unified hybrid censoring scheme when the latent failure times follow Marshall-Olkin bivariate Kumaraswa...

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Veröffentlicht in:Journal of statistical computation and simulation Jg. 94; H. 2; S. 376 - 399
Hauptverfasser: Dutta, Subhankar, Lio, Yuhlong, Kayal, Suchandan
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Abingdon Taylor & Francis 22.01.2024
Taylor & Francis Ltd
Schlagworte:
Asymptotic properties
Bayesian estimation
Bivariate analysis
Confidence intervals
dependent competing risks
Dirichlet problem
Failure times
Fisher information
gamma-Dirichlet prior
HPD credible interval
Markov chains
Maximum likelihood estimators
MOBK distribution
Monte Carlo simulation
Normality
Statistical analysis
unified hybrid censoring
ISSN:0094-9655, 1563-5163
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Zusammenfassung:In this communication, various statistical inferential procedures for estimating unknown model parameters are investigated via utilizing partially observed dependent competing risks data under the unified hybrid censoring scheme when the latent failure times follow Marshall-Olkin bivariate Kumaraswamy distribution. The existence and uniqueness of the maximum likelihood estimators (MLEs) have been established. By using asymptotic normality property of MLE, the approximate confidence intervals have been constructed via observed Fisher information matrix. Moreover, Bayes estimates and the highest posterior density credible intervals have been computed under a highly flexible gamma-Dirichlet prior distribution by using Markov chain Monte Carlo technique. In addition, to compare the performance of proposed methods, a Monte Carlo simulation has been carried out. Finally, a real-life data set has been analysed to illustrate the operability and applicability of the methods considered.
Bibliographie:ObjectType-Article-1
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ISSN:0094-9655
1563-5163
DOI:10.1080/00949655.2023.2249165