Ara mostrant els elements 11-18 de 18
Calle, M. Luz (Data de defensa: 1997-02-27)
This work concerns some problems in the area of survival analysis that arise in real clinical or epidemiological studies. In particular, we approach the problem of estimating the survival function based ...
Graffelman, Jan (Data de defensa: 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 ...
Gómez-Mateu, Moisés (Data de defensa: 2016-06-30)
The conclusions from randomized clinical trials (RCT) rely on the primary endpoint (PE), which is chosen at the design stage of the study; thus, it is of utmost importance to select it appropriately. ...
Parra, Xileidys (Data de defensa: 2018-05-10)
The strong, progressive interaction between decision-making processes (DMP) and information technologies has led to breakthroughs in how business is conducted. These developments represent the advent ...
Nasini, Stefano (Data de defensa: 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, ...
Sánchez Espigares, Josep Anton (Data de defensa: 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 ...
Xampeny Solaní, Rafael (Data de defensa: 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 ...
Marí Tomàs, Laura (Data de defensa: 2015-09-25)
The problem addressed in this thesis is the medium-term generation planning over a yearly horizon of a generation company participating in a liberalized electricity market with pool auction of generation ...