Enviaments recents

  • Development of air quality indexes using compositional approach 

    Jarauta Bragulat, Eusebio; Egozcue, Juan José; Hervada Sala, Carme; Gibergans Baguena, José (2015)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    A compositional approach to air quality index (AQI) based on a log-contrast of pollutants over non-polluted air fraction was recently developed. This approach let to three open questions about consistency and formalization ...
  • Wind model for offshore power simulation 

    Hervada Sala, Carme; Jarauta Bragulat, Eusebio; Gibergans Baguena, José; Buenestado Caballero, Pablo (2015)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Offshore wind energy is an alternative energy source of increased interest. A large offshore wind farms have been planned or under construction, mainly in northern Europe. One of the points needed to be able to implement ...
  • Bayesian estimation of the orthogonal decomposition of a contingency table 

    Ortego Martínez, María Isabel; Egozcue Rubí, Juan José (2015)
    Text en actes de congrés
    Accés obert
    Contingency tables can be parametrized by probabilities of each cell in a multinomial sampling. These probabilities constitute the joint probability function of the two or more discrete random categorical variables. These ...
  • Relationship between popularity of key words in the Google browser and the evolution of worldwide financial indexes 

    ORTELLS SESÉ, ROBERT; Egozcue Rubí, Juan José; Ortego Martínez, María Isabel; Garola Crespo, Àlvar (2015)
    Text en actes de congrés
    Accés obert
    The purpose of this contribution is to evaluate whether there is enough statistical basis to establish a relationship between the popularity of certain terms in the Google, Inc. browser and the evolution of several worldwide ...
  • Wind/Wave directional modelling: a compositional approach 

    Ortego Martínez, María Isabel; Egozcue Rubí, Juan José; Gómez Aguar, Jesús Javier; Mösso Aranda, César; Sánchez-Arcilla Conejo, Agustín (2015)
    Comunicació de congrés
    Accés obert
  • Space-time compositional models: an introduction to simplicial partial differential operators 

    Jarauta Bragulat, Eusebio; Egozcue Rubí, Juan José (2015)
    Text en actes de congrés
    Accés obert
    A function assigning a composition to space-time points is called a compositional or simplicial field. These fields can be analysed using the compositional analysis tools. A study of linear models for evolutionary compositions ...

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