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Articles 24 records found  beginprevious15 - 24  jump to record: Search took 0.01 seconds. 
15.
14 p, 212.2 KB Discrete alpha-skew-Laplace Distribution / Harandi, S. Shams (University of Isfahan. Department of Statistics) ; Alamatsaz, M. H. (University of Isfahan. Department of Statistics)
Classical discrete distributions rarely support modelling data on the set of whole integers. In this paper, we shall introduce a flexible discrete distribution on this set, which can, in addition, cover bimodal as well as unimodal data sets. [...]
2015
SORT : statistics and operations research transactions, Vol. 39 Núm. 1 (January-June 2015) , p. 71-84 (Articles)  
Detailed record - Creative Commons
16.
16 p, 308.4 KB A new class of Skew-Normal-Cauchy Distribution / Arrué, Jaime (Universidad de Antofagasta (Antofagasta, Xile). Departamento de Matemáticas) ; Gómez, Héctor W. (Universidad de Antofagasta (Antofagasta, Xile). Departamento de Matemáticas) ; Salinas, Hugo S. (Universidad de Atacama (Copiapo, Xile). Departamento de Matemáticas) ; Bolfarine, Heleno (Universidade de São Paulo. Departamento de Estadística)
In this paper we study a new class of skew-Cauchy distributions inspired on the family extended two-piece skew normal distribution. The new family of distributions encompasses three well known families of distributions, the normal, the two-piece skew-normal and the skew-normal-Cauchy distributions. [...]
2015
SORT : statistics and operations research transactions, Vol. 39 Núm. 1 (January-June 2015) , p. 35-50 (Articles)  
Detailed record - Creative Commons
17.
20 p, 656.9 KB Double bounded Kumaraswamy-power series class of distributions / Bidram, Hamid (University of Isfahan (Irán). Department of Statistics) ; Nekoukhou, Vahid (University of Isfahan (Irán). Department of Statistics)
In this paper, we will introduce the new Kumaraswamy-power series class of distributions. This new class is obtained by compounding the Kumaraswamy distribution of Kumaraswamy (1980) and the family of power series distributions. [...]
2013
SORT : statistics and operations research transactions, Vol. 37, Núm. 2 (July-December 2013) , p. 211-230  
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18.
10 p, 158.9 KB A note on the Fisher information matrix for the skew-generalized-normal model / Arellano-Valle, Reinaldo B. (Pontificia Universidad Católica de Chile. Departamento de Estadística) ; Gómez, Héctor W. (Universidad de Antofagasta (Chile). Departamento de Matemáticas) ; Salinas, Hugo S. (Universidad de Atacama (Chile). Departamento de Matemática)
In this paper, the exact form of the Fisher information matrix for the skew-generalized normal (SGN) distribution is determined. The existence of singularity problems of this matrix for the skewnormal and normal particular cases is investigated. [...]
2013
SORT : statistics and operations research transactions, Vol. 37, Núm. 1 (January-June 2013) , p. 19-28  
Detailed record - Creative Commons
19.
14 p, 403.0 KB Hurdle negative binomial regression model with right censored count data / Ehsan Saffari, Seyed (Universiti Teknologi Malaysia. Department of Mathematics, Faculty of Science) ; Adnan, Robiah (Universiti Teknologi Malaysia. Department of Mathematics, Faculty of Science) ; Greene, William (New York University. Department of Economics, Stern School of Business)
A Poisson model typically is assumed for count data. In many cases because of many zeros in the response variable, the mean is not equal to the variance value of the dependent variable. Therefore, the Poisson model is no longer suitable for this kind of data. [...]
2012
SORT : statistics and operations research transactions, juliol-desembre 2012, p. 181-194  
Detailed record - Creative Commons
20.
22 p, 208.0 KB Stress-strength reliability of Weibull distribution based on progressively censored samples / Asgharzadeh, Akbar ; Valiollahi, Reza ; Raqab, Mohammad Z.
Based on progressively Type-II censored samples, this paper deals with inference for the stress-strength reliability R = P(Y < X) when X and Y are two independent Weibull distributions with different scale parameters, but having the same shape parameter. [...]
2011
SORT : statistics and operations research transactions, Vol. 35, Núm. 2 (July-December 2011) , p. 103-124  
Detailed record - Creative Commons
21.
22 p, 1.1 MB Estimation in the Birnbaum-Saunders distribution based on scale-mixture of normals and the EM-algorithm / Balakrishnan, Narayanaswamy ; Leiva, Víctor ; Sanhueza, Antonio ; Vilca, Filidor
Scale mixtures of normal (SMN) distributions are used for modeling symmetric data. Members of this family have appealing properties such as robust estimates, easy number generation, and efficient computation of the ML estimates via the EM-algorithm. [...]
2009
SORT : statistics and operations research transactions, Vol. 33, Núm. 2 (July-December 2009) , p. 171-192  
Detailed record - Creative Commons
22.
10 p, 87.7 KB A note on the likelihood and moments of the skew-normal distribution / Martínez, Eliseo H. (Universidad de Antofagasta) ; Varela, Héctor (Universidad de Antofagasta) ; Gómez, Héctor W. (Universidad de Atacama (Chile)) ; Bolfarine, Heleno (Universidad de Sao Paulo)
In this paper an alternative approach to the one in Henze (1986) is proposed for deriving the odd moments of the skew-normal distribution considered in Azzalini (1985). The approach is based on a Pascal type triangle, which seems to greatly simplify moments computation. [...]
2008
SORT : statistics and operations research transactions, Vol. 32, Núm. 1 (January-June 2008) , p. 57-66  
Detailed record - Creative Commons
23.
10 p, 183.6 KB Goodness of fit tests for the skew-Laplace distribution / Puig, Pedro (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Stephens, Michael A. (Simon Fraser University. Department of Statistics & Actuarial Science)
The skew-Laplace distribution is frequently used to fit the logarithm of particle sizes and it is also used in Economics, Engineering, Finance and Biology. We show the Anderson-Darling and Cramér-von Mises goodness of fit tests for this distribution.
2007
SORT : statistics and operations research transactions, Vol. 31, Núm. 1 (January-June 2007) , p. 45-54  
Detailed record - Creative Commons
24.
10 p, 149.9 KB About one problem of Bernoulli and Euler from the theory of statistical estimation / Nikulin, Mikhaïl (Université Bordeaux)
We consider some results by D. Bernoulli and L. Euler on the method of maximum likelihood in parametric estimation. The statistical analysis is made by considering a parametric family with a shift parameter.
2006
SORT : statistics and operations research transactions, Vol. 30, Núm. 1 (January-June 2006) , p. 91-100  
Detailed record - Creative Commons

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