Now showing items 1-20 of 54

    • A fast CTA method without the complicating binary decisions 

      Castro Pérez, Jordi; González Alastrué, José Antonio (2013)
      Conference report
      Open Access
    • A linear optimization based method for data privacy in statistical tabular data 

      Castro Pérez, Jordi; González Alastrué, José Antonio (2017-05-23)
      External research report
      Open Access
      National Statistical Agencies routinely disseminate large amounts of data. Prior to dissemination these data have to be protected to avoid releasing confidential information. Controlled tabular adjustment (CTA) is one of ...
    • A linear optimization based method for data privacy in statistical tabular data 

      Castro Pérez, Jordi; González Alastrué, José Antonio (2017-06-15)
      Article
      Open Access
      National Statistical Agencies routinely disseminate large amount of data. Prior to dissemination these data have to be protected to avoid releasing confidential information. Controlled tabular adjustment (CTA) is one of ...
    • A tool for analyzing and fixing infeasible RCTA instances 

      Castro Pérez, Jordi; González Alastrué, José Antonio (2010-09)
      Article
      Restricted access - publisher's policy
      Minimum-distance controlled tabular adjustment methods (CTA), and its restricted variants (RCTA), is a recent perturbative approach for tabular data protection. Given a table to be protected, the purpose of RCTA is to find ...
    • A web-based learning tool improves student performance in statistics: a randomized masked trial 

      González Alastrué, José Antonio; Jover, Lluís; Cobo Valeri, Erik; Muñoz Gracia, María del Pilar (2010-03)
      Article
      Open Access
      Background: e-status is a web-based tool able to generate different statistical exercises and to provide immediate feedback to students’ answers. Although the use of Information and Communication Technologies (ICTs) is ...
    • Adherence to reporting guidelines increases the number of citations: the argument for including a methodologist in the editorial process and peer-review 

      Vilaró, Marta; Cortés Martínez, Jordi; Selva O’Callaghan, Albert; Urrutia, Agustí; Ribera, Josep Maria; Cardellach López, Francesc; Basagaña Flores, Xavier; Elmore, Matthew; Vilardell, Miquel; Altman, D.G.; González Alastrué, José Antonio; Cobo Valeri, Erik (2019-05-31)
      Article
      Open Access
      From 2005 to 2010, we conducted 2 randomized studies on a journal (Medicina Clínica), where we took manuscripts received for publication and randomly assigned them to either the standard editorial process or to additional ...
    • Aspectos estocásticos en la coordinación hidrotérmica a largo plazo 

      González Alastrué, José Antonio (Universitat Politècnica de Catalunya, 1997-12-19)
      Doctoral thesis
      Open Access
      El proyecto de tesis titulado "Aspectos estocásticos en la coordinación hidrotérmica a largo plazo" es el resultado de un trabajo de investigación enmarcado en el campo de la generación de electricidad y trata, más ...
    • Assessing Shiny apps through student feedback: recommendations from a qualitative study 

      González Alastrué, José Antonio; Lopez, Mireia; Cobo Valeri, Erik; Cortés Martínez, Jordi (2018-09)
      Article
      Open Access
      Teaching statistics has benefited from Java applets, the successful technology that appeared in the late 90s and which allowed real interactivity on an Internet browser. Combining dynamic functionality with the web provides ...
    • Block coordinate descent decomposition for statistical data protection using controlled tabular adjustment 

      González Alastrué, José Antonio; Castro Pérez, Jordi (2009-10)
      External research report
      Restricted access - confidentiality agreement
      Tabular data is routinely released by national statistical agencies (NSA) to disseminate aggregated information from some particular microdata. Prior to publication, these tables have to be treated to preserve information ...
    • Calidad y transparencia de Fisioterapia mediante guías de publicación 

      Cobo Valeri, Erik; Moher, David; Boutron, Isabelle; González Alastrué, José Antonio (2015-05-01)
      Article
      Restricted access - publisher's policy
    • Control del riesgo alfa : diseños adaptativos 

      Cortés Martínez, Jordi; Cobo Valeri, Erik; Rufino, Héctor; Vilaró Pacheco, Marta; González Alastrué, José Antonio (Universitat Politècnica de Catalunya, 2014)
      Lecture notes
      Open Access
    • Covid-19: la malinterpretación de los datos de la pandemia daña la confianza del público 

      Saez Zafra, Marc; Figueiras Guzmán, Adolfo; Alustiza, Ainhoa; Fernández Martínez, Daniel; Cobo Valeri, Erik; Gómez Melis, Guadalupe; González Alastrué, José Antonio; Fonseca Casas, Pau; Cortés García, Claudio Ulises (2020-11-04)
      Article
      Open Access
    • Development of ARCADIA: a tool for assessing the quality of peer-review reports in biomedical research 

      Superchi, Cecilia; Hren, Darko; Blanco de Tena Davila, David; Rius Carrasco, Roser; Recchioni, Alessandro; Boutron, Isabelle; González Alastrué, José Antonio (2020-06)
      Article
      Open Access
      Objective To develop a tool to assess the quality of peer- review reports in biomedical research. Methods We conducted an online survey intended for biomedical editors and authors. The survey aimed to (1) determine if ...
    • Diseños que afectan a la varianza : clúster, análisis del cambio y cross-over 

      Riba, Laura; Rufino, Hector; Vilaró Pacheco, Marta; Ruiz, Angel; Cobo Valeri, Erik; González Alastrué, José Antonio (Universitat Politècnica de Catalunya, 2014)
      Lecture notes
      Open Access
    • Does evidence support the high expectations placed in precision medicine? A bibliographic review 

      Cortés Martínez, Jordi; González Alastrué, José Antonio; Medina, María Nuncia; Vogler, Markus; Vilaró Pacheco, Marta; Elmore, Matthew; Senn, Stephen John; Campbell, Michael J.; Cobo Valeri, Erik (2018-01-09)
      Article
      Open Access
      Background: Precision medicine is the Holy Grail of interventions that aretailored to a patient’s individual characteristics.  However, the conventional design of randomized trials assumes that each individual benefits  ...
    • E-status: a web tool for learning by doing exercises 

      González Alastrué, José Antonio; Muñoz Gracia, María del Pilar (University of Creta, 2002)
      Conference report
      Open Access
      The paper introduces the project led by a team of teachers to assist students learn statistics. The goal is to build a tool able to present mathematical problems and to correct the students´ answers. The problems may include ...
    • E-status: entorno web para la generación y resolución de problemas numéricos 

      González Alastrué, José Antonio; Muñoz Gracia, María del Pilar; Cobo Valeri, Erik; Martí Recober, Manuel (2005-02)
      Conference report
      Open Access
      Se presenta un sistema basado en plataformas web que pretende ayudar a los estudiantes a aprender estadística mediante la generación de problemas individualizados de tipo numérico con corrección instantánea. Como los ...
    • Efecto : premisas, pérdidas y supervivencia 

      Cobo Valeri, Erik; Cortés Martínez, Jordi; Vilaró Pacheco, Marta; Rufino, Hector; González Alastrué, José Antonio (Universitat Politècnica de Catalunya, 2014)
      Lecture notes
      Open Access
    • Ensayo clínico : azar, riesgo de sesgo, ética 

      Cobo Valeri, Erik; Oliva, Joan Carles; Cortés Martínez, Jordi; González Alastrué, José Antonio; Vilaró Pacheco, Marta (Universitat Politècnica de Catalunya, 2014)
      Lecture notes
      Open Access
    • Fix-and-relax approaches for controlled tabular adjustment 

      Baena, Daniel; Castro Pérez, Jordi; González Alastrué, José Antonio (2015-06-01)
      Article
      Open Access
      Controlled tabular adjustment (CIA) is a relatively new protection technique for tabular data protection. CTA formulates a mixed integer linear programming problem, which is challenging for tables of moderate size. Even ...