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Statistical Features and Estimation Methods for Half-Logistic Unit-Gompertz Type-I Model

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  • Anum Shafiq

    (School of Mathematics and Statistics, Nanjing University of Information Science and Technology, Nanjing 210044, China
    Jiangsu International Joint Laboratory on System Modeling and Data Analysis, Nanjing University of Information Science and Technology, Nanjing 210044, China)

  • Tabassum Naz Sindhu

    (Department of Statistics, Quaid-i-Azam University, Islamabad 45320, Pakistan)

  • Sanku Dey

    (Department of Statistics, St. Anthony’s College, Shillong 793001, India)

  • Showkat Ahmad Lone

    (Department of Basic Sciences, College of Science and Theoretical Studies, Saudi Electronic University, Riyadh 11673, Saudi Arabia)

  • Tahani A. Abushal

    (Department of Mathematical Science, Faculty of Applied Science, Umm Al-Qura University, Mecca 24382, Saudi Arabia)

Abstract

In this study, we propose a new three-parameter lifetime model based on the type-I half-logistic G family and the unit-Gompertz model, which we named the half-logistic unit Gompertz type-I distribution. The key feature of such a novel model is that it adds a new tuning parameter to the unit-Gompertz model using the type-I half-logistic family in order to make the unit-Gompertz model more flexible. Diagrams and numerical results are used to look at the new model’s mathematical and statistical aspects. The efficiency of estimating the distribution parameters is measured using a variety of well-known classical methodologies, including Anderson–Darling, maximum likelihood, least squares, weighted least squares, right tail Anderson–Darling, and Cramer–von Mises estimation. Finally, using the maximum likelihood estimation method, the flexibility and ability of the proposed model are illustrated by means of re-analyzing two real datasets, and comparisons are provided with the fit accomplished by the unit-Gompertz, Kumaraswamy, unit-Weibull, and Kumaraswamy beta distributions for illustrative purposes.

Suggested Citation

  • Anum Shafiq & Tabassum Naz Sindhu & Sanku Dey & Showkat Ahmad Lone & Tahani A. Abushal, 2023. "Statistical Features and Estimation Methods for Half-Logistic Unit-Gompertz Type-I Model," Mathematics, MDPI, vol. 11(4), pages 1-24, February.
  • Handle: RePEc:gam:jmathe:v:11:y:2023:i:4:p:1007-:d:1070379
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    References listed on IDEAS

    as
    1. Robert King & Irene Lena Hudson & Muhammad Shuaib Khan, 2016. "Transmuted Kumaraswamy Distribution," Statistics in Transition new series, Główny Urząd Statystyczny (Polska), vol. 17(2), pages 183-210, June.
    2. J. Mazucheli & A. F. B. Menezes & L. B. Fernandes & R. P. de Oliveira & M. E. Ghitany, 2020. "The unit-Weibull distribution as an alternative to the Kumaraswamy distribution for the modeling of quantiles conditional on covariates," Journal of Applied Statistics, Taylor & Francis Journals, vol. 47(6), pages 954-974, April.
    3. Muhammad Shuaib Khan & Robert King & Irene Lena Hudson, 2016. "Transmuted Kumaraswamy Distribution," Statistics in Transition New Series, Polish Statistical Association, vol. 17(2), pages 183-210, June.
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