Now showing items 21-40 of 99
Cuesta Andrea, Jordi (Date of defense: 2009-09-29)
Els mètodes de punt interior per a programació lineal proporcionen algorismes de complexitat polinòmica, que els fa ser molt eficients en l’optimització a gran escala. Aquests algorismes utilitzen el mètode de Newton per ...
Fontdecaba Rigat, Sara (Date of defense: 2015-12-23)
This thesis is about statistics' contributions to industry. It is an article compendium comprising four articles divided in two blocks: (i) two contributions for a water supply company, and (ii) significance of the effects ...
Graffelman, Jan (Date of defense: 2000-09-12)
The thesis parts from the view that statistics starts with data, and starts by introducing the data sets studied: marine benthic species counts and chemical measurements made at a set of sites in the Norwegian Ekofisk oil ...
Xampeny Solaní, Rafael (Date of defense: 2018-06-20)
The thesis is structured in five articles. In the first article, two methods are compared to analyze the significance of the effects: the Lenth method and the one based on the estimation of the variance of the effects from ...
Padilla Barreto, Alemar Elaine (Date of defense: 2019-05-16)
The first contribution of this Thesis is the creation of a new risk measure that allows to classify the clients according to the risk that they bring to the company. This measure defined from the aggregate information at ...
Alarcón Soto, Yovaninna (Date of defense: 2021-06-30)
The present dissertation contributes to Data Science in the Human lmmunodeficiency Virus (HIV) field, addressing specific issues related to the modelling of data coming from three different clinical trials based on ...
Camps Lorente, Oriol (Date of defense: 2012-07-06)
The present thesis is aimed at analyzing the concept of quality and at dis-cussing, in a unified manner, its role not only in operations management but also in strategic thinking. It criticizes the widespread view that ...
Barbero, Mattia (Date of defense: 2023-07-17)
(English) Europe is at the beginning of an energy revolution. The old energy paradigm where centralized power plants provide energy to passive consumers is ending. Distributed renewable energy resources and electrification ...
Grau Mariani, Rafael (Date of defense: 1995-02-08)
The goal of this Ph.D. Thesis is the design, development and testing of a 'well-engineered system' aimed at the demand-responsive traffic control of urban areas. Because of the author's background -software engineering-, ...
Sánchez Espigares, Josep Anton (Date of defense: 2021-04-09)
This thesis includes contributions to statistical methodologies and practical applications in situations where data has been obtained as a result of repeated measures. The first block includes a first article where different ...
Arjona Martínez, Jamie (Date of defense: 2021-02-11)
Nowadays, one of the most important problems in urban areas concerns traffic congestion. This, in turn, has an impact on the economy, nature, human health, city architecture, and many other facets of life. Part of the ...
Ros Roca, Xavier (Date of defense: 2021-10-01)
During the last decades, urban mobility has become the main concern for city councils and transportation operators. The main problem is the traffic congestion that easily appears in urban networks, producing negative ...
Pérez Álvarez, Nuria (Date of defense: 2014-07-23)
Currently, resources that may be spent in health care are limited so it is necessary to rationalize their consumption and prioritise their allocation to the options with higher health outcome and economic sustainability. ...
Nonell, Ramon (Date of defense: 1992-07-03)
Casas Vilaró, Jordi (Date of defense: 2005-01-1)
La implementació dels sistemes de transport intel·ligent (ITS) ha possibilitat disposar de gran quantitat de dades de trànsit en temps real, utilitzant les actuals infrastructures en la xarxa viària que ens permeten recollir ...
Daunis i Estadella, Josep (Date of defense: 2005-02-11)
La memòria d'aquesta tesi doctoral s'estructura en un primer capítol on es descriuen els objectius de la tesi i l'organització del treball de recerca. Després, el Capítol 2: Anàlisis factorials de dades es destina a presentar ...
Baena Mirabete, Daniel (Date of defense: 2017-07-03)
One of the main purposes of National Statistical Agencies (NSAs) is to provide citizens or researchers with a large amount of trustful and high quality statistical information. NSAs must guarantee that no confidential ...
Robert Gadea, Antonio (Date of defense: 2005-05-16)
Des de l'inici de la meva activitat laboral a final dels anys setanta he viscut experiències de implantació de Equips de Millora en diverses empreses del nostre entorn industrial, algunes de les quals formaven part de grups ...
Huerta Muñoz, Diana Lucia (Date of defense: 2018-03-16)
In this thesis the Flexible Periodic Vehicle Routing Problem is introduced and studied. In this problem a carrier must establish a distribution plan to serve a given set of customers over a planning horizon using a fleet ...
Muñoz Aguirre, Manuel (Date of defense: 2021-04-07)
Genomic datasets are fundamental to broaden our understanding of human biology in the context of health and disease. However, the high-dimensional nature of gene expression and other molecular traits poses a challenge when ...