the beta generalized half-normal distribution: new properties
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2013
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Abstract
We study some mathematical properties of the beta generalized
half-normal distribution recently proposed by Pescim et al. (2010).
This model is quite flexible for analyzing positive real data
since it contains as special models the half-normal,
exponentiated half-normal, and generalized half-normal distributions.
We provide a useful power series for the quantile function.
Some new explicit expressions are derived for the mean deviations,
Bonferroni and Lorenz curves, reliability, and entropy.
We demonstrate that the density function of the beta generalized half-normal
order statistics can be expressed as a mixture of generalized half-normal
densities. We obtain two closed-form expressions for their moments and other statistical measures.
The method of maximum likelihood is used to estimate the model parameters censored data. The beta generalized
half-normal model is modified to cope with long-term survivors may be present in the data.
The usefulness of this distribution is illustrated in the analysis of four real data sets.
| Reference Key |
cordeiro2013journalthe
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|---|---|
| Authors | ;Gauss M. Cordeiro;Rodrigo R. Pescim;Edwin M. M. Ortega;Clarice G. B. Demétrio |
| Journal | nature protocols |
| Year | 2013 |
| DOI |
10.1155/2013/491628
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| URL | |
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