The Beta Exponentiated Nadarajah-Haghighi Distribution: Theory and Applications
Résumé
We introduce and study the beta exponentiated Nadarajah-Haghighi model, which has increasing, decreasing, upside-down bathtub and bathtub shaped hazard functions. Some of its mathematical properties are determined including a power series for the quantile function. The model parameters are estimated by the method of maximum likelihood. The new distribution and some other competitive models are fitted to a meteorological data set. We prove empirically that it has a superior performance compared with other distributions based on some goodness-of-fit statistics. As a result, some parameters such as return level and mean deviation about the return level are estimated under the best model. We define a new parametric model based on the introduced distribution.
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