Exploració Articles de revista per data d'edició

Ara es mostren els items 1-20 de 24

    • Interdisciplinary Engineering Project: Experimental and Numerical Optimization of a Sandwich Panel 

      Roure Fernández, Francisco; Pastor Artigues, María Magdalena; Bonada Bo, Jordi; Rodero de Lamo, Lourdes (2015-01)
      Article
      Accés restringit per política de l'editorial
      A teaching-learning experience focused on the promotion of specific transversal competencies (self-learning, efficient oral and written communication and team working) integrated into the curriculum of Bachelor in Industrial ...

    • Long-term sampling of dioxin-like substances from a clinker kiln stack using alternative fuels 

      Rivera Austrui, Joan; Martínez, Karell; Marco Almagro, Lluís; Ábalos, Manuela; Abad, Esteban (2014-07-01)
      Article
      Accés restringit per política de l'editorial
      The aim of this work is to characterize atmospheric emissions of polychlorinated dibenzo-p-dioxins (PCDDs)/polychlorinated dibenzofurans (PCDFs) and dioxin-like polychlorinated biphenyls (dl-PCBs) from a cement production ...

    • Light consulting after design of experiments training: Lessons from a case study 

      Marco Almagro, Lluís; Grima Cintas, Pedro; Tort-Martorell Llabrés, Xavier (2014-04)
      Article
      Accés restringit per política de l'editorial
      We present a case study to show some positive and some problematic points regarding light consulting—when none of the parts is fully committed—on Design of Experiments (DOE). The situation is not unusual and frequently ...

    • On left-truncating and mixing poisson distributions 

      Valero Baya, Jordi; Pérez Casany, Marta; Ginebra Molins, Josep (2014-02-01)
      Article
      Accés obert
      The distributions obtained by left-truncating at k a mixed Poisson distribution, kT-MP, and those obtained by mixing previously left-truncated Poisson distributions, M-kTP, are characterized by means of their probability ...

    • A Cluster analysis of vote transitions 

      Puig Oriol, Xavier; Ginebra Molins, Josep (2014)
      Article
      Accés restringit per política de l'editorial
      To help settle the debate triggered the day after any election around the origin and destination of the vote of winners and losers, a Bayesian analysis of the results in a pair of consecutive elections is proposed. It is ...

    • A competitive variable neighbourhood search algorithm for the blocking flow shop problem 

      Ribas Vila, Immaculada; Companys Pascual, Ramón; Tort-Martorell Llabrés, Xavier (2013-12-23)
      Article
      Accés restringit per política de l'editorial

    • The time has come: Statistics in bestselling books 

      Grima Cintas, Pedro; Marco Almagro, Lluís (Sociedad de Estadística e Investigación Operativa (SEIO), 2013-10)
      Article
      Accés obert
      Beyond textbooks, statistics is also present in bestselling books, those that appear on the top 10 lists of bookshops and online bookstores. This paper discusses five of those books, highlighting the role of statistics ...

    • An efficient iterated local search algorithm for the total tardiness blocking flow shop problem 

      Ribas Vila, Immaculada; Companys Pascual, Ramón; Tort-Martorell Llabrés, Xavier (Taylor & Francis, 2013-04-27)
      Article
      Accés restringit per política de l'editorial
      This paper deals with the blocking flow shop problem and proposes an Iterated Local Search (ILS) procedure combined with a variable neighbourhood search (VNS) for the total tardiness minimisation. The proposed ILS makes ...

    • Twenty-five analogies for explaining statistical concepts 

      Behar, Roberto; Grima Cintas, Pedro; Marco Almagro, Lluís (2013-02)
      Article
      Accés restringit per política de l'editorial
      The use of analogies is a resource that can be used for transmitting concepts and making classes more enjoyable. This article presents 25 analogies that we use in our introductory statistical courses for introducing concepts ...

    • An approach to disaggregating total household water consumption into major end-uses 

      Fontdecaba Rigat, Sara; Sánchez Espigares, Josep Anton; Marco Almagro, Lluís; Tort-Martorell Llabrés, Xavier; Cabrespina, Francesc; Zubelzu, Jordi (2013-01-27)
      Article
      Accés restringit per política de l'editorial
      The aim of this project is to assign domestic water consumption to different devices based on the information provided by the water meter. We monitored a sample of Barcelona and Murcia with flow switches that recorded ...

    • On poisson-stopped-sums that are mixed poisson 

      Valero Baya, Jordi; Pérez Casany, Marta; Ginebra Molins, Josep (2013)
      Article
      Accés restringit per política de l'editorial
      Maceda (1948) characterized the mixed Poisson distributions that are Poisson-stopped-sum distributions based on the mixing distribution. In an alternative characterization of the same set of distributions here the ...

    • Time series outlier and intervention analysis: Irrigation management influences on soil water content in silty loam soil 

      Basem, Aljoumani; Sánchez Espigares, Josep Anton; Cañameras Riba, Núria; Josa March, Ramon; Monserrat, Joaquim (2012-08)
      Article
      Accés restringit per política de l'editorial
      Understanding the field soil water regime is fundamental in scheduling irrigation as well as for monitoring water flow and solute transport. This study was carried out on variable interval irrigation and used time series ...

    • ¿Es pi un impostor? 

      Grima Cintas, Pedro (2012-07)
      Article
      Accés obert
      Parece que sobre p está todo dicho y que su papel protagonista en el reino de los números es indiscutible pero… ¿son posibles unas matemáticas en las que el número pi no tenga un papel protagonista, en las que 3,14159… ...

    • Statistical methods in Kansei engineering: a case of statistical engineering 

      Marco Almagro, Lluís; Tort-Martorell Llabrés, Xavier (2012-07)
      Article
      Accés restringit per política de l'editorial
      Kansei engineering (KE) is a methodology used to incorporate emotions in products and services design. Its basic purpose is discovering in which way some properties of a product or a service convey certain emotions in its ...

    • Weeds, aphids, and specialist parasitoids and predators benefeit differently from organic and conventional cropping of winter cereals 

      Caballero-López, Berta; Blanco-Moreno, José M.; Pérez-Hidalgo, Nicolás; Michelena-Saval, José M.; Pujade-Villar, Juli; Guerrieri, Emilio; Sánchez Espigares, Josep Anton; Sans, F. Xavier (2011-12-28)
      Article
      Accés restringit per política de l'editorial
      The aphid–natural enemy interaction in winter wheat fields constitutes a complex system that has been frequently studied because of its implication for biological control. However, not all of the aphids living in ...

    • Management by facts: the common ground between total quality management and evidence-based management 

      Tort-Martorell Llabrés, Xavier; Grima Cintas, Pedro; Marco Almagro, Lluís (2011-06)
      Article
      Accés restringit per política de l'editorial
      It is widely agreed that, whenever possible, managers should base their decisions on scientific knowledge rather than gut feelings or intuitions. There are two main sources of scientific knowledge available to managers: ...

    • Bayesian analysis of frequency count data 

      Font Valverde, Martí; Puig Oriol, Xavier; Ginebra Molins, Josep (2011)
      Article
      Accés restringit per política de l'editorial
      The zero truncated inverse Gaussian–Poisson model, obtained by first mixing the Poisson model assuming its expected value has an inverse Gaussian distribution and then truncating the model at zero, is very useful when ...

    • Comparing three-step heuristics for the permutation flow shop problem 

      Ribas Vila, Immaculada; Companys Pascual, Ramón; Tort-Martorell Llabrés, Xavier (2010-03-03)
      Article
      Accés restringit per política de l'editorial
      In this paper a three steps heuristic for the permutation flow shop problem is proposed. The objective is to minimize the maximum time for completing the jobs, or the makespan. The first two steps are inspired by the NEH ...

    • On the measure and the estimation of the evenness and diversity of vocabulary 

      Ginebra Molins, Josep; Puig Oriol, Xavier (2010)
      Article
      Accés restringit per política de l'editorial
      Modelling word or species frequency count data through zero truncated Poisson mixture models allows one to interpret the model mixing distribution as the distribution of the word or species frequencies of the vocabulary ...

    • The Sichel Model and the mixing and truncation order 

      Puig Oriol, Xavier; Ginebra Molins, Josep; Font Valverde, Martí (2010)
      Article
      Accés restringit per política de l'editorial
      The analysis of word frequency count data can be very useful in authorship attribution problems. Zerotruncated generalized inverse Gaussian–Poisson mixture models are very helpful in the analysis of these kinds of data ...