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403016

The Extended Log-Logistic Distribution: Properties and Application

Article

Last updated: 25 Feb 2025

Subjects

-

Tags

الاحصاء والرياضة والتأمين

Abstract

In this article, we study a new extension of the log-logistic model called the Kumaraswamy alpha-power log-logistic (KAPLL) distribution, an extension of the log-logistic model. It investigates some of their mathematical and statistical properties, including reliability properties (survival function, hazard rate function (HRF), moments, quantile functions (QF), and moment-generating functions), emphasizing their utility in modeling diverse aging and failure criteria. One key advantage of the KAPLL distribution lies in its capacity to represent its density as a blend of log-logistic densities, offering both symmetric and asymmetric shapes for greater modeling flexibility. The estimation of KAPLL parameters is achieved through maximum likelihood estimation (MLE), a widely used statistical method. The study presents comprehensive simulation results to assess the effectiveness of the proposed estimation technique. Furthermore, a practical application on real-world data is conducted to showcase the adaptability and versatility of the KAPLL distribution when compared with other extensions of the log-logistic model.

DOI

10.21608/zcom.2025.330437.1397

Keywords

Kumaraswamy, alpha-power, log-logistic

Authors

First Name

hamada hassan mohamed

Last Name

hassan

MiddleName

-

Affiliation

أكاديمية الشروق

Email

hamada.hassan@sha.edu.eg

City

-

Orcid

-

First Name

محمد السيد

Last Name

ميعاد

MiddleName

-

Affiliation

قسم الإحصاء والرياضة والتأمين،کلية التجارة ، جامعة الزقازيق

Email

mead9990@gmail.com

City

-

Orcid

-

First Name

Ahmed

Last Name

Afify

MiddleName

-

Affiliation

قسم الإحصاءوالرياضة والتامين , كلية التجارة, جامعة بنها

Email

ahmed.afify@fcom.bu.edu.eg

City

-

Orcid

-

Volume

47

Article Issue

1

Related Issue

53428

Issue Date

2025-01-01

Receive Date

2024-10-25

Publish Date

2025-01-01

Page Start

101

Page End

119

Print ISSN

1110-7731

Online ISSN

2735-4512

Link

https://zcom.journals.ekb.eg/article_403016.html

Detail API

http://journals.ekb.eg?_action=service&article_code=403016

Order

28

Type

تجاریة کل ما یتعلق بالعلوم التجاریة

Type Code

1,572

Publication Type

Journal

Publication Title

مجلة البحوث التجارية

Publication Link

https://zcom.journals.ekb.eg/

MainTitle

The Extended Log-Logistic Distribution: Properties and Application

Details

Type

Article

Created At

01 Feb 2025