Dagum power series distributions: theory and applications

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Abstract:

A new generalized Dagum distribution called the Dagum power series distri butions is introduced and studied. This distribution is obtained by compounding

Dagum and other power series distributions. The structural properties of the new

distributions are discussed, including explicit algebraic formulas for its survival

and hazard functions, quantile function, moments, moment generating function,

conditional moments, mean and median deviations, Bonferroni and Lorenz curves,

distribution of order statistics and Renyi entropy. Method of maximum likelihood

is used for estimating the model parameters. A real data set is used to illustrate

the usefulness, applicability, importance and flexibility of the new distribution.

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