de la Lama Zubiran, Paula (Date of defense: 2021-01-13)
Two-stage stochastic optimization models give rise to very large linear problems (LP). Several approaches have been devised for efficiently solving them, among which are interior-point methods (IPM). ...
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) ...
Oller Piqué, Ramon (Date of defense: 2006-06-30)
L'anàlisi de la supervivència s'utilitza en diversos àmbits per tal d'analitzar dades que mesuren el temps transcorregut entre dos successos. També s'anomena anàlisi de la història dels esdeveniments, ...
Rodríguez Pereira, Jessica (Date of defense: 2018-01-09)
Some of the most common decisions to be taken within a logistic systems at an operational level are related to the design of the vehicle routes. Vehicle Routing Problems and Arc Routing Problems are ...
Nasrazadani, Hajar (Date of defense: 2016-03-01)
Electricity market analysis is important to access strategic market information which can be further employed to pass energy policies. Due to the advantages of privatization, the Iranian government has ...
Marco Almagro, Lluís (Date of defense: 2011-12-15)
Aquesta tesi doctoral tracta sobre Enginyeria Kansei (EK), una tècnica per traslladar emocions transmeses per productes en paràmetres tècnics, i sobre mètodes estadístics que poden beneficiar la disciplina. ...
Martínez Ruiz, Alba (Date of defense: 2011-01-27)
Two general goals were raised in this thesis: First, to establish a PLS model for patent value and to investigate causality relationships among variables that determine the patent value; second, to ...
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 ...
Langohr, Klaus (Date of defense: 2004-06-16)
El análisis de supervivencia trata de la evaluación estadística de variables que miden el tiempo transcurrido hasta un evento de interés. Una particularidad que ha de considerar el análisis de supervivencia ...
Albareda Sambola, Maria (Date of defense: 2003-06-02)
The most common decisions to be taken in the design of logistic systems are related to the location of facilities and the management of vehicle fleets.<br><br/>In this thesis, we study three of the ...