A Flexible Extension of Pareto Distribution: Properties and Applications

被引:12
作者
Alshanbari, Huda M. [1 ]
El-Bagoury, Abd Al-Aziz Hosni [2 ]
Gemeay, Ahmed M. [2 ]
Hafez, E. H. [3 ]
Eldeeb, Ahmed Sedky [4 ,5 ]
机构
[1] Princess Nourah Bint Abdulrahman Univ, Coll Sci, Dept Math Sci, Riyadh, Saudi Arabia
[2] Tanta Univ, Fac Sci, Dept Math, Tanta 31527, Egypt
[3] Helwan Univ, Fac Sci, Dept Math, Helwan, Egypt
[4] King Khaled Univ, Coll Business, Dept Business Adm, Abha, Saudi Arabia
[5] Alexandria Univ, Dept Stat Math & Insurance, Alexandria, Egypt
关键词
MIXTURES;
D O I
10.1155/2021/9819200
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
This paper introduced a relatively new mixture distribution that results from a mixture of Frechet-Weibull and Pareto distributions. Some properties of the new statistical model were derived, such as moments with their related measures, moment generating function, mean residual life function, and mean deviation. Furthermore , different estimation methods were introduced for determining the unknown parameters of the proposed model. Finally, we introduced three real data sets which were applied to our distribution and compared them with other well-known statistical competitive models to show the superiority of our model for fitting the three real data sets, and we can clearly see that our distribution outperforms its competitors. Also, to verify our results, we carried out the existence and uniqueness test to the log-likelihood to determine whether the roots are global maximum or not.
引用
收藏
页数:17
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