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Heuristic algorithm tool for planning mass vaccine campaigns
(Emerald Publishing Limited, 2024-07-01)
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Open AccessPurpose The planning of massive vaccination campaigns often falls to nongovernmental organizations that have to face the critical challenge of vaccinating the largest number of people in the shortest time. This study aims ... -
Heterogeneity of treatment response to beta-blockers in the treatment of portal hypertension: a systematic review
(2024-02)
Article
Open AccessBackground: It has been suggested that a relevant proportion of patients do not respond to nonselective beta-blockers (NSBB)s, which raises questions regarding the need for individualized therapy. The existence of potential ... -
The Chebyshev center as an alternative to the analytic center in the feasibility pump
(2023-06-07)
Article
Open AccessAs a heuristic for obtaining feasible points of mixed integer linear problems, the feasibility pump (FP) generates two sequences of points: one of feasible solutions for the relaxed linear problem; and another of integer ... -
An exact approach for the reliable fixed-charge location problem with capacity constraints
(2023-11-16)
Article
Open AccessIntroducing capacities in the reliable fixed charge location problem is a complex task since successive failures might yield in high facility overloads. Ideally, the goal consists in minimizing the total cost while keeping ... -
Citicoline for the management of patients with traumatic brain injury in the acute phase: a systematic review and meta-analysis
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-02-01)
Article
Open AccessBackground: Citicoline or CDP-choline is a neuroprotective/neurorestorative drug used in several countries for the treatment of traumatic brain injury (TBI). Since the publication of the controversial COBRIT, the use of ... -
Thirty years of optimization-based SDC methods for tabular data
(2023-01)
Article
Open AccessIn 1966 Bacharach published in Management Science a work on matrix rounding problems in two-way tables of economic statistics, formulated as a network optimization problem. This is likely the first application of ... -
On solving large-scale multistage stochastic optimization problems with a new specialized interior-point approach
(2023-04)
Article
Open AccessA novel approach based on a specialized interior-point method (IPM) is presented for solving largescale stochastic multistage continuous optimization problems, which represent the uncertainty in strategic multistage and ... -
New interior-point approach for one- and two-class linear support vector machines using multiple variable splitting
(2022-09-29)
Article
Open AccessMultiple variable splitting is a general technique for decomposing problems by using copies of variables and additional linking constraints that equate their values. The resulting large optimization problem can be solved ... -
An algorithm for the microaggregation problem using column generation
(2022-08-01)
Article
Open AccessThe field of statistical disclosure control aims to reduce the risk of re-identifying an individual from disseminated data, a major concern among national statistical agencies. Operations Research (OR) techniques have been ... -
Measuring the effectiveness of online problem solving for improving academic performance in a probability course
(2022-01-13)
Article
Open AccessResearch on impact in student achievement of online homework systems compared to traditional methods is ambivalent. Methodological issues in the study design, besides of technological diversity, can account for this ... -
El objetivo guía el diseño y el análisis
(Elsevier, 2021-12-01)
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Open Access -
El valor P está obsoleto
(Elsevier, 2021-12-01)
Article
Open AccessEn esta píldora seguimos las guías de publicación1 y la declaración de la American Statistical Association (ASA)2. Pretendemos convencerle de que no use el valor de P (o P-value). No es tarea fácil. Pero seamos sinceros: ...
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