The Beta Exponential Power Series Distribution

Nafiseh Khojastehbakht (), Amirhossein Ghatari () and Ehsan Bahrami Samani ()
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Nafiseh Khojastehbakht: Shahid Beheshti University
Amirhossein Ghatari: Amirkabir University of Technolgy
Ehsan Bahrami Samani: Shahid Beheshti University

Annals of Data Science, 2023, vol. 10, issue 5, No 1, 1157-1178

Abstract: Abstract In this paper, we investigate to propose a new statistical distribution based on power series. We introduce a new family of distributions which are constructed based on a latent complementary risk problem and are obtained by compounding Beta Exponential (BE) and Power Series distributions. The new distribution contains, as special sub-models, several important distributions which are discussed in the literature, such as Beta Exponential Poisson (BEP) distribution, Beta Exponential Geometric (BEG) distribution, Beta Exponential Logarithmic (BEL) distribution, Beta Exponential Binomial (BEB) distribution as special cases. The hazard function of the BEPS distributions can be increasing, decreasing or bathtub shaped among others. The comprehensive mathematical properties of the new distribution is provided such as closed-form expressions for the density, cumulative distribution, survival function, failure rate function, the r-th raw moment, maximum likelihood estimation and also the moments of order statistics. The proposed type of distributions is used to modeling simulated and real datasets.

Keywords: Beta exponential; Power series distributions; Hazard function; Maximum likelihood estimation (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s40745-022-00414-8

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