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Artículo
A biobjective method for sample allocation in stratified sampling
(Elsevier, 2007-03-01)
The two main and contradicting criteria guiding sampling design are accuracy of estimators and sampling costs. In stratified random sampling, the sample size must be allocated to strata in order to optimize both objectives. ...
Artículo
Expression of P-glycoprotein and metallothionein in gastrointestinal stromal tumor and leiomyosarcomas. Clinical implications
(Proquest, 2007-07-10)
We investigated the expression of P-glycoprotein (P-GP) and metallothionein (MT) in a series of 92 GIST and 14 gastrointestinal leiomyosarcomas (GILMS) with the purpose to expand our knowledge on the biological bases ...
Ponencia
Artículo
New results on minimax regret single facility ordered median location problems on networks
(Springer, 2007)
We consider the single facility ordered median location problem with uncertainty in the parameters (weights) defining the objective function. We study two cases. In the first case the uncertain weights belong to a region ...
Ponencia
Artículo
On the Selection of the Globally Optimal Prototype Subset for Nearest-Neighbor Classification
(Informs, 2007-07-20)
The nearest-neighbor classifier has been shown to be a powerful tool for multiclass classification. We explore both theoretical properties and empirical behavior of a variant method, in which the nearest-neighbor rule is ...
Tesis Doctoral
Análisis cooperativo de cadenas de distribución
(2007-05-29)
En esta tesis se estudia la posible cooperación en procesos de decisión en los que intervienen varios agentes. Las principales contribuciones de este trabajo son:- Exten sión del concepto de solución de Owen para juegos ...