A new class of distributions as a finite functional mixture using functional weights

Autor: DALAL LALA BOUALI, CHRISTOPHE CHESNEAU, VIKAS KUMAR SHARMA, HASSAN S. BAKOUCH
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Anais da Academia Brasileira de Ciências, Vol 93, Iss 2 (2021)
Druh dokumentu: article
ISSN: 1678-2690
0001-3765
04996453
DOI: 10.1590/0001-3765202120181019
Popis: Abstract In this paper, we introduce a new family of distributions whose probability density function is defined as a weighted sum of two probability density functions; one is defined as a warped version of the other. We focus our attention on a special case based on the exponential distribution with three parameters, a dilation transformation and a weight with polynomial decay, leading to a new life-time distribution. The explicit expressions of the moments generating function, moments and quantile function of the proposed distribution are provided. For estimating the parameters, the method of maximum likelihood estimation is used. Two applications with practical data sets are given.
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