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Published on: July 3, 2020
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New Bivariate Pareto Type II Models.
Lamya Baharith1, Hind Alzahrani1
1Department of Statistics, Faculty of Science, King Abdulaziz University, Jeddah 21551, Saudi Arabia.
Entropy (Basel, Switzerland)
|December 3, 2020
Summary
This study introduces two novel bivariate Pareto Type II distributions for reliability and lifetime analysis. These distributions, developed using copula and mixture methods, show flexibility in real-world applications.
Area of Science:
- Statistics
- Probability Theory
- Reliability Engineering
Background:
- The Pareto Type II distribution is crucial in reliability modeling and lifetime testing.
- Bivariate distributions are essential for analyzing dependent lifetime data.
- Existing bivariate Pareto models may have limitations in capturing complex dependencies.
Purpose of the Study:
- To introduce two new bivariate Pareto Type II distributions.
- To explore methods for parameter estimation and performance evaluation.
- To demonstrate the practical applicability of the proposed distributions.
Main Methods:
- Development of bivariate Pareto Type II distributions using copula functions.
- Incorporation of mixture and copula approaches for a second distribution.
- Parameter estimation via the maximum likelihood method.
- Performance assessment through simulation studies.
Main Results:
- Successful derivation of two distinct bivariate Pareto Type II distributions.
- Demonstration of parameter estimation accuracy through simulations.
- Evidence of the proposed distributions' flexibility in fitting real-world data.
Conclusions:
- The proposed bivariate Pareto Type II distributions offer valuable tools for reliability and lifetime analysis.
- The methods employed provide a robust framework for developing and analyzing complex bivariate distributions.
- The distributions are suitable for modeling dependent data in various real-life scenarios.
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