On the Kumaraswamy-Dagum-Log-Logistic sigmoid functions with applications to population dynamics

Nikolay Pavlov, Angel Golev, Anton Iliev, Asen Rahnev, Nikolay V. Kyurkchiev

Abstract


he Kumaraswamy-Dagum distribution is a flexible and simple model with applications to income and lifetime data.

We prove upper and lower estimates for the Hausdorff approximation of the shifted Heaviside function by a class of Kumaraswamy-Dagum-Log-Logistic cumulative distribution function - (KD-CDF). Numerical examples, illustrating our results are given.


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DOI: http://dx.doi.org/10.11145/bmc.2018.03.247

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ISSN 2367-5233 (print)
ISSN 2367-5241 (online)