SORT

SORT Encontrados 6 registros  La búsqueda tardó 0.00 segundos. 
1.
44 p, 465.9 KB Testing for the existence of clusters (p. 115-158) / Casella, George ; Fuentes, Claudio ; University of Florida
Detecting and determining clusters present in a certain sample has been an important concern, among researchers from different fields, for a long time. In particular, assessing whether the clusters are statistically significant, is a question that has been asked by a number of experimenters. [...]
2009
SORT : statistics and operations research transactions, Vol. 33, Núm. 2 (July-December 2009) , p. 115-158  
2.
12 p, 247.5 KB Nonparametric estimation of the expected accumulated reward for semi-Markov chains / D'Amico, Guglielmo
In this paper a nonparametric estimator of the expected value of a discounted semi-Markov reward chain is proposed. Its asymptotic properties are established and as a consequence of the asymptotic normality the confidence sets are obtained. [...]
2009
SORT : statistics and operations research transactions, Vol. 33, Núm. 2 (July-December 2009) , p. 159-170  
3.
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  
4.
20 p, 320.5 KB Eliciting expert opinion for cost-effectiveness analysis : a flexible family of prior distributions / Martel, María ; Negrín Hernández, Miguel Ángel ; Vázquez Polo, Francisco José ; Universidad de Las Palmas de Gran Canaria
The Bayesian approach to statistics has been growing rapidly in popularity as an alternative to the classical approach in the economic evaluation of health technologies, due to the significant benefits it affords. [...]
2009
SORT : statistics and operations research transactions, Vol. 33, Núm. 2 (July-December 2009) , p. 193-212  
5.
20 p, 354.0 KB How much Fisher information is contained in record values and their concomitants in the presence of inter-record times? / Amini, Morteza ; Ahmadi, Jafar
It is shown that, although the distribution of inter-record time does not depend on the parent distribution, Fisher information increases when inter-record times are included. The general results concern different classes of bivariate distributions and propose a comparison study of the Fisher information. [...]
2009
SORT : statistics and operations research transactions, Vol. 33, Núm. 2 (July-December 2009) , p. 213-232  
6.
16 p, 140.8 KB Some improved two-stage shrinkage testimators for the mean of normal distribution / Al-Hemyari, Zuhair
In this paper, we introduced some two-stage shrinkage testimators (TSST) for the mean µ when a prior estimate µ0 of the mean µ is available from the past, by considering a feasible form of the shrinkage weight function which is used in both of the estimation stages with different quantities. [...]
2009
SORT : statistics and operations research transactions, Vol. 33, Núm. 2 (July-December 2009) , p. 233-247  

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