A new extended gumbel distribution: Properties and application

被引:13
作者
Fayomi, Aisha [1 ]
Khan, Sadaf [2 ]
Tahir, Muhammad Hussain [2 ]
Algarni, Ali [1 ]
Jamal, Farrukh [2 ]
Abu-Shanab, Reman [3 ]
机构
[1] King Abdulaziz Univ, Fac Sci, Dept Stat, Jeddah, Saudi Arabia
[2] Islamia Univ Bahawalpur, Dept Stat, Bahawalpur, Pakistan
[3] Univ Bahrain, Coll Sci, Dept Math, Zallaq, Bahrain
来源
PLOS ONE | 2022年 / 17卷 / 05期
关键词
FAMILY; PARAMETER; BATHTUB;
D O I
10.1371/journal.pone.0267142
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
A robust generalisation of the Gumbel distribution is proposed in this article. This family of distributions is based on the T-X paradigm. From a list of special distributions that have evolved as a result of this family, three separate models are also mentioned in this article. A linear combination of generalised exponential distributions can be used to characterise the density of a new family, which is critical in assessing some of the family's properties. The statistical features of this family are determined, including exact formulations for the quantile function, ordinary and incomplete moments, generating function, and order statistics. The model parameters are estimated using the maximum likelihood method. Further, one of the unique models has been systematically studied. Along with conventional skewness measures, MacGillivray skewness is also used to quantify the skewness measure. The new probability distribution also enables us to determine certain critical risk indicators, both numerically and graphically. We use a simulated assessment of the suggested distribution, as well as apply three real-world data sets in modelling the proposed model, in order to ensure its authenticity and superiority.
引用
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页数:41
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