Browsing Departament d'Estadística i Investigació Operativa by Title

Factores que facilitan el éxito y la continuidad de los equipos de mejora en la empresas industriales. Modelo de implantación, aplicación y medición de los resultados en una empresa piloto

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 ...

The flexible periodic vehicle routing problem: modeling alternatives and solution techniques

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 ...

From RNA to histological images: linking the transcriptome with human phenotypes through statistical learning

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 ...

Fusión de Datos: Imputación y Validación

Juárez Alonso, Carlos Alberto (Date of defense: 2005-03-04)

Las actitudes, el conocimiento y las acciones generalmente se basan en muestras. Algunos basan sus conclusiones en muestras pequeñas y pocas veces toman en cuenta la magnitud de lo que se desconoce. Generalmente se carece ...

Generalized unit commitment by the radar multiplier method

Beltran Royo, César (Date of defense: 2001-07-09)

This operations research thesis should be situated in the field of the power generation industry. The general objective of this work is to efficiently solve the Generalized Unit Commitment (GUC) problem by means of specialized ...

Homogeneïtat d'estil en El Tirant Lo Blanc

Riba, Alex (Date of defense: 2002-09-20)

En la tesi s'aborda el problema de l'homogeneïtat d'estil en el Tirant lo Blanc mitjançant l'ús de l'estilometria. Les hipòtesis al voltant de l'autoria del Tirant lo Blanc van des de l'autoria única de Joanot Martorell a ...

Improving urban deliveries via collaboration

Roca Riu, Mireia (Date of defense: 2015-12-22)

Distribution of goods is essential for the economic development of cities but at the same time it entails several problems to the urban systems and different stakeholders. Carriers spend a significant portion of their cost ...

Inference for a General Class of Models for Recurrent Events with application to cancer data

González Ruiz, Juan Ramón (Date of defense: 2005-12-29)

La necesidad del análisis de supervivencia aparece cuando necesitamos estudiar las propiedades estadísticas de una variable que describe el tiempo hasta que ocurre un evento único. En algunas ocasiones, podemos observar ...

Ingeniería kansei en el campo del diseño : una aproximación desde la ingeniería estadística aplicada a la percepción de los materiales

Abella Garcia, Ainoa (Date of defense: 2021-01-19)

The objective of the current doctoral thesis is the theoretical and experimental application of Kansei engineering in the field of design. Kansei engineering is a method that aims to develop or improve products, services ...

Integración de los modelos de simulación en el diseño de los ensayos clínicos

Abbas, Ismail (Date of defense: 2004-04-26)

Los ensayos clínicos son a menudo muy costosos y pueden tener una duración considerable. Un error en el diseño de un ensayo clínico puede implicar la imposibilidad de verificar la hipótesis que se pretendía probar por falta ...

Interval-censored semi-competing risks data: a novel approach for modelling bladder cancer

Porta Bleda, Núria (Date of defense: 2010-07-27)

Aquesta tesi tracta sobre tècniques d'anàlisi de supervivència en situacions amb múltiples esdeveniments i patrons complexes de censura. Proposem una nova metodologia per tractar la situació de riscos semi-competitius quan ...

Intracavity spatial filtering in broad area semiconductor laser

Gawali, Sandeep Babu (Date of defense: 2020-12-17)

Semiconductor lasers in high-power regime typically manifest a poor beam quality due to its asymmetric beam divergence and its large beam quality factor (M2). The emission along one of the transverse directions (slow axis) ...

L'us de la informació simbòlica en l'automatització del tractament estadístic de dominis poc estructurats

Gibert, Karina, 1967- (Date of defense: 1995-01-30)

Per les seves característiques intrínseques (coexistència de variables quantitatives i qualitatives amb gran nombre de modalitats , coneixement addicional sobre l'estructura del domini per part d'un expert), els dominis ...

Large-scale simulation of population dynamics for socio-demographic analysis

Montañola i Sales, Cristina (Date of defense: 2015-04-24)

Computer modelling and complex systems simulation have dominated the scientific debate over the last decade, providing important outcomes in biology, geology and life sciences. In the social sciences, the number of research ...

Long-term impact of an editorial intervention to improve paper transparency and reproducibility

Vilaró Pacheco, Marta (Date of defense: 2021-07-15)

This PhD thesis is concerned with evaluating the long-term effects of interventions in the editorial peer review process of a biomedical journal. The growing need to increase the value of research and avoid waste motivates ...

Mathematical programming based approaches for classes of complex network problems : economical and sociological applications

Nasini, Stefano (Date of defense: 2015-01-29)

The thesis deals with the theoretical and practical study of mathematical programming methodologies to the analysis complex networks and their application in economic and social problems. More specifically, it applies ...