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Heleno Bolfarine ; Héctor W. Gómez ;Revista Colombiana de Estadística 2014, 37 1

Author: Yolanda M. Gómez

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Revista Colombiana de Estadística ISSN: 0120-1751 revcoles_fcbog@unal.edu.co Universidad Nacional de Colombia Colombia Gómez, Yolanda M.; Bolfarine, Heleno; Gómez, Héctor W. A New Extension of the Exponential Distribution Revista Colombiana de Estadística, vol.
37, núm.
1, junio, 2014, pp.
25-34 Universidad Nacional de Colombia Bogotá, Colombia Available in: http:--www.redalyc.org-articulo.oa?id=89931327002 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Revista Colombiana de Estadística Junio 2014, volumen 37, no.
1, pp.
25 a 34 A New Extension of the Exponential Distribution Una nueva extensión de la distribución exponencial Yolanda M.
Gómez1,a , Heleno Bolfarine1,b , Héctor W.
Gómez2,c 1 Instituto de Matematica e Estatística, Universidade de São Paulo, São Paulo, Brazil 2 Departamento de Matemáticas, Facultad de Ciencias Básicas, Universidad de Antofagasta, Antofagasta, Chile Abstract The present paper considers an extension of the exponential distribution based on mixtures of positive distributions.
We study the main properties of this new distribution, with special emphasis on its moments, moment generator function and some characteristics related to reliability studies.
We also discuss parameter estimation considering the maximum likelihood and moments approach.
An application reveals that the model proposed can be very useful in fitting real data.
A final discussion concludes the paper. Key words: Exponential distribution, Mixtures of distribution, Likelihood. Resumen En el presente paper se considera una extensión de la distribución exponencial basada en mezclas de distribuciones positivas.
Estudiamos las principales propiedades de esta nueva distribución, con especial énfasis en sus momentos, ...





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