A novel statistical approach to COVID-19 variability using the Weibull-Inverse Nadarajah Haghighi distribution

被引:0
作者
Ahmad, Aijaz [1 ]
Alsadat, Najwan [1 ]
Rather, Aafaq A. [2 ]
Meraou, M. A. [3 ]
El-Din, Marwa M. Mohie [4 ]
机构
[1] King Saud Univ, Coll Business Adm, Dept Quantitat Anal, POB 71115, Riyadh 11587, Saudi Arabia
[2] Symbiosis Int, Symbiosis Stat Inst, Pune 411004, India
[3] Univ Djillali Liabes Sidi Bel Abbes, Lab Stat & Stochast Proc, BP 89, Sidi Bel 22000, Algeria
[4] Egyptian Russian Univ, Fac Engn, Dept Math & Nat Sci, Badr 11829, Egypt
关键词
Cumulative distribution function; Maximum likelihood estimation; Mean square error; Nadarajah Haghighi; Probability density function;
D O I
10.1016/j.aej.2024.08.008
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Researchers have devoted decades to striving to create a plethora of distinctive distributions in order to meet specific objectives. The argument is that traditional distributions have typically been found to lack fit in real-world situations, which include pharmaceutical studies, the field of engineering, hydrology, environmental science, and a number of others. The Weibull-inverse Nadarajah Haghighi (WINH) distribution is developed by combining the Weibull and inverse Nadarajah Haghighi distributions. The proposed distribution's fundamental characteristics have been established and analyzed. Several plots of the distributional properties, notably probability density function (PDF) with corresponding cumulative distribution function (CDF) are displayed. The estimation of model parameter is performed via the MLE procedure. Simulation-based research is conducted to demonstrate the performance of proposed estimator's using some measure, like the average bias, variance, and associated mean square error (MSE). Two real datasets represent the morality due to COVID 19 in France and Canada are illustrated to see the practicality of the recommended model.
引用
收藏
页码:950 / 962
页数:13
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