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A new method for generating distributions with an application to exponential distribution

Abbas Mahdavi and Debasis Kundu

Communications in Statistics - Theory and Methods, 2017, vol. 46, issue 13, 6543-6557

Abstract: A new method has been proposed to introduce an extra parameter to a family of distributions for more flexibility. A special case has been considered in detail, namely one-parameter exponential distribution. Various properties of the proposed distribution, including explicit expressions for the moments, quantiles, mode, moment-generating function, mean residual lifetime, stochastic orders, order statistics, and expression of the entropies, are derived. The maximum likelihood estimators of unknown parameters cannot be obtained in explicit forms, and they have to be obtained by solving non linear equations only. Further, we consider an extension of the two-parameter exponential distribution also, mainly for data analysis purposes. Two datasets have been analyzed to show how the proposed models work in practice.

Date: 2017
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DOI: 10.1080/03610926.2015.1130839

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