General two-parameter distribution: Statistical properties, estimation, and application on COVID-19

  • Ahmed M. Gemeay
  • , Zeghdoudi Halim
  • , M. M. Abd El-Raouf
  • , Eslam Hussam
  • , Alanazi Talal Abdulrahman
  • , Nour Khaled Mashaqbah
  • , Nawaf Alshammari
  • , Nicholas Makumi

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

In this paper, we introduced a novel general two-parameter statistical distribution which can be presented as a mix of both exponential and gamma distributions. Some statistical properties of the general model were derived mathematically. Many estimation methods studied the estimation of the proposed model parameters. A new statistical model was presented as a particular case of the general two-parameter model, which is used to study the performance of the different estimation methods with the randomly generated data sets. Finally, the COVID-19 data set was used to show the superiority of the particular case for fitting real-world data sets over other compared well-known models.

Original languageEnglish
Article numbere0281474
JournalPLoS ONE
Volume18
Issue number2 February
DOIs
StatePublished - Feb 2023
Externally publishedYes

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