Doctorat en Estadística i Investigació Operativa

Recent Submissions

  • A constellation of horrors: analysis and visualization of the #Cuéntalo movement 

    Bucalo Mana, María Soledad; Calvo, Luz; Cucchietti, Fernando; García Povedano, David; García Sáez, Artur; Gómez Celis, Juan Felipe; Arcadio González, Camilo; Marín, Guillermo; Reyes, Patricio; Serra Burriel, Feliu; Vélez García, Diana Fernanda; Meta, Irene (Association for Computing Machinery (ACM), 2019)
    Conference report
    Open Access
    In this work, we analyze content and structure of the Twitter trending topic #cuentalo with the purpose of providing a visualization of the movement. A supervised learning methodology is used to train the classifying ...

  • Simulation assessment of new generation navigation strategies 

    Montero Mercadé, Lídia; Linares Herreros, María Paz; Casanovas Garcia, Josep; Recio Domènech, Gonzalo; Lorente García, Ester; Salmeron Moya, Juan (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    Probe vehicle (or connected car) data are becoming an important source of real-time travel information for a variety of intelligent transportation system applications. Since traditional sensors have significant installation ...

  • The use and adherence of oral anticoagulants in Primary Healthcare in Catalunya: a real-world data cohort study 

    Giner Soriano, Maria; Cortés Martínez, Jordi; Gómez Lumbreras, Ainhoa; Prat Vallverdú, Oriol; Quijada Manuitt, Mª Angeles; Morros Padrós, Rosa (2019-12-16)
    Article
    Open Access
    Background The use of direct oral anticoagulants (DOAC) for stroke prevention in non-valvular atrial fibrillation (NVAF) has not been previously assessed in our setting. We aimed to describe sociodemographic, comorbidities, ...

  • Using interior point solvers for optimizing progressive lens models with spherical coordinates 

    Casanellas Peñalver, Glòria; Castro Pérez, Jordi (2019-05)
    External research report
    Open Access
    Designing progressive lenses is a complex problem that has beenpreviously solved by formulating an optimization model based on Cartesiancoordinates. In this work a new progressive lens model using spherical co-ordinates ...

  • An assigment free data driven approach to the dynamic origin destination matrix estimation problem 

    Ros Roca, Xavier; Barceló Bugeda, Jaime; Montero Mercadé, Lídia (2020-02-05)
    External research report
    Open Access
    Dynamic traffic models require dynamic inputs, and one of the main inputs are the Dynamic Origin-Destinations (OD) matrices describing the variability over time of the trip patterns across the network. The Dynamic OD Matrix ...

  • Simplifying the verification of simulation models through Petri net to FlexSim mapping 

    Fonseca Casas, Pau; Guasch Petit, Antonio; Figueras Jové, Jaume (Multidisciplinary Digital Publishing Institute, 2020-02-19)
    Article
    Open Access
    Simplifying the encoding of a simulation conceptual model representation reduces the number of errors that will be detected in the verification phase. In this paper, we present a mapping between Petri nets, a well-known ...

  • Decision tool and Sample Size Calculator for composite endpoints 

    Bofill Roig, Marta; Cortés Martínez, Jordi; Gómez Melis, Guadalupe (2020-01-10)
    Article
    Open Access
    This article considers the combination of two binary or two time-to-event endpoints to form the primary composite endpoint for leading a trial. • It discusses the relative efficiency of choosing a composite endpoint over ...

  • Perception evaluation kit: a case study with materials 

    Abella Garcia, Ainoa; Araya León, María José; Clèries Garcia, Laura; Marco Almagro, Lluís (2019-01-01)
    Article
    Restricted access - publisher's policy
    This article aims to show the results from the Perception Evaluation Kit workshop: A Case Study with Materials. The study attempts to understand people’s sensorial perception of materials as a stimulus and what constitutes ...

  • Non-constant hazard ratios in randomized controlled trials with composite endpoints 

    Cortés Martínez, Jordi; Gómez Mateu, Moisès; Kim, Kyungman; Gómez Melis, Guadalupe (2019-07-25)
    Article
    Open Access
    The hazard ratio is routinely used as a summary measure to assess the treatment effect in clinical trials with time-to-event endpoints. It is frequently assumed as constant over time although this assumption often does not ...

  • Changes in flood damage with global warming on the eastern coast of Spain 

    Cortés Simo, María; Turco, Marco; Ward, Philip J.; Sánchez Espigares, Josep Anton; Alfieri, Lorenzo; Llasat Botija, Carmen (2019-12-18)
    Article
    Open Access
    Flooding is one of the main natural hazards in the world and causes huge economic and human impacts. Assessing the flood damage in the Mediterranean region is of great importance, especially because of its large vulnerability ...

  • Prematurity and ADHD in childhood: an observational register-based study in Catalonia 

    Perapoch, Josep; Vidal, Raquel; Gómez Lumbreras, Ainhoa; Hermosilla, Eduardo; Riera, Lidia; Cortés Martínez, Jordi; Céspedes, Maria Concepció; Ramos Quiroga, Josep Antoni; Morros Padrós, Rosa (2019-08-14)
    Article
    Restricted access - publisher's policy
    Objective: To evaluate the association between prematurity (by the gestational week [gw]) and ADHD during childhood. Method: Observational, matched cohort study using data from children born in a tertiary-level hospital ...

  • Optimal Energy Management System applied to commercial self-consumption solutions 

    Sola Saura, Alaia; Igualada González, Lucía; Corchero García, Cristina (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    IREMS, an optimization model developed to manage self-consumption solutions and overcome the limitations the commercial management functionalities present has been validated under the conditions of one of the real installations ...

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