Now showing items 1-20 of 35

    • A stochastic linear model to evaluate the dielectric constant-electrical conductivity relation of a sandy soil using TDR records 

      Aljoumani, Basem; Sánchez Espigares, Josep Anton; Wessolek, G. (2018)
      Conference report
      Restricted access - publisher's policy
      Despite the importance of evaluating soil pore water electrical conductivity from soil bulk electrical conductivity in ecological and hydrological applications, it still has not been worked out very well. This study was ...
    • 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
      Restricted access - publisher's policy
      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 ...
    • Analyzing temporal trends of urban evaporation using generalized additive models 

      Aljoumani, Basem; Sánchez Espigares, Josep Anton; Kluge, Björn; Wessolek, Gerd; Kleinschmit, Birgit (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-31)
      Article
      Open Access
      This study aimed to gain new insights into urban hydrological balance (in particular, the evaporation from paved surfaces). Hourly evaporation data were obtained simultaneously from two high-resolution weighable lysimeters. ...
    • Brassica aphid (Hemiptera: Aphididae) populations are conditioned by climatic variables and parasitism level: a study case of Triângulo Mineiro, Brazil 

      Sampaio, M. V.; Korndörfer, A. P.; Pujade Villar, Juli; Hubaide, J.E.A.; Ferreira, S. E.; Arantes, S. O.; Bortoletto, D. M.; Guimarães, C. M.; Sánchez Espigares, Josep Anton; Caballero López, Berta (2017-03-20)
      Article
      Restricted access - publisher's policy
      Cosmopolitan pests such as Brevicoryne brassicae, Lipaphis pseudobrassicae, and Myzus persicae (Aphididae) cause significant damage to Brassicaceae crops. Assessment of the important biotic and abiotic factors that regulate ...
    • 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 ...
    • Contagion between United States and european markets during the recent crises 

      Muñoz Gracia, María del Pilar; Márquez Cebrián, Dolores; Sánchez Espigares, Josep Anton (2011-07)
      Article
      Open Access
      The main objective of this paper is to detect the existence of financial contagion between the North American and European markets during the recent crises. To accomplish this, the relationships between the US and the Euro ...
    • Desarrollo de técnicas estadísticas basadas en computacion intensiva para el análisis de medidas repetidas 

      Sánchez Espigares, Josep Anton (Universitat Politècnica de Catalunya, 2021-04-09)
      Doctoral thesis
      Open Access
      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 article where different ...
    • Disseny i implementació d’un cas pràctic d’introducció a l’estadística basat en la presa de decisions realistes sobre dades simulades 

      Tort-Martorell Llabrés, Xavier; Camps Lorente, Oriol; Grima Cintas, Pedro; Marco Almagro, Lluís; Puig Oriol, Xavier; Rodero de Lamo, Lourdes; Sánchez Espigares, Josep Anton; Solé Vidal, Ignasi; Riba Civil, Alexandre; Berenguer Guerra, Victor; Jurado Margarit, Adriana; Magriñà Amat, Carlos (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
      Conference report / Conference lecture
      Open Access
      Un diagnòstic de les pràctiques d'estadística va portar a proposar per a una nova assignatura un joc competitiu en línia de presa de decisions basades en l'estadística. Aquest utilitza dades simulades i un web en què ...
    • Elaboració de material docent per a assignatures d'estadística industrial 

      Marco Almagro, Lluís; Grima Cintas, Pedro; Rodero de Lamo, Lourdes; Tort-Martorell Llabrés, Xavier; Sánchez Espigares, Josep Anton; Solé Vidal, Ignasi; Valls i Colom, Moisès; Corredoira González, Laura; Clot Razquin, Guillem; Fontdecaba Rigat, Sara (2009-02-12T13:11:17Z)
      Conference lecture / Conference report
      Open Access
      La finalitat del projecte és elaborar material d'ajuda i suport a la docència per assignatures relacionades amb l'estadística industrial. Ens centrem fonamentalment en les assignatures “Mètodes estadístics de l’enginyeria ...
    • Estimating pore water electrical conductivity of sandy soil from time domain reflectometry records using a time-varying dynamic linear model 

      Aljoumani, Basem; Sánchez Espigares, Josep Anton; Wessolek, Gerd (Multidisciplinary Digital Publishing Institute (MDPI), 2018-12-13)
      Article
      Open Access
      Despite the importance of computing soil pore water electrical conductivity (sp) from soil bulk electrical conductivity (sb) in ecological and hydrological applications, a good method of doing so remains elusive. The ...
    • Evaluating the variation of dissolved metals on a highway roadside using a generalized additive mixed model (GAMM) 

      Aljoumani, Basem; Kluge, Björn; Sánchez Espigares, Josep Anton; Wessolek, Gerd (Springer, 2019-04-01)
      Article
      Open Access
      Assessing metal concentrations in roadside soils requires a better understanding of the extent to which they are affected by different environmental factors such as soil texture, depth, pH, runoff concentration, and ...
    • Forecasting performance of cruise passengers : the Spanish ports case 

      Grifoll Colls, Manel; Sánchez Espigares, Josep Anton; Feng, Hongxiang (2021-01-01)
      Article
      Open Access
      This contribution examines the passenger forecasting performance of the SARIMA method applied to cruise activities in the main Spanish ports. In this port system, the cruise activity market is characterized by different ...
    • Graphical comparison of normality tests for unimodal distribution data 

      Sánchez Espigares, Josep Anton; Grima Cintas, Pedro; Marco Almagro, Lluís (2019-01-02)
      Article
      Open Access
      A methodology is proposed to compare the power of normality tests with a wide variety of alternative unimodal distributions. It is based on the representation of a distribution mosaic in which kurtosis varies vertically ...
    • Herbivores, saprovores and natural enemies respond differently to within-field plant characteristics of wheat fields 

      Caballero López, Berta; Blanco Moreno, José M.; Pujade Villar, Juli; Ventura, Daniel; Sánchez Espigares, Josep Anton; Sans Serra, Francesc Xavier (2016-05-26)
      Article
      Open Access
      Understanding ecosystem functioning in a farmland context by considering the variety of ecological strategies employed by arthropods is a core challenge in ecology and conservation science. We adopted a functional approach ...
    • Mosaic normality test 

      Sánchez Espigares, Josep Anton; Grima Cintas, Pedro; Marco Almagro, Lluís (2020-03-06)
      Article
      Open Access
      A procedure is proposed here for jointly visualizing the compatibility of a sample with a family of Skewed Exponential Power Distributions, of which the distributions known as Normal, Exponential, Laplace and Uniform are ...
    • Non linear statistical models to improve wind power forecasts 

      Muñoz Gracia, María del Pilar; Sánchez Espigares, Josep Anton; Márquez, M. Dolores (2013)
      Conference report
      Restricted access - publisher's policy
    • PRESTON: Juego competitivo online para el aprendizaje de la estadística 

      Camps Lorente, Oriol; Rodero de Lamo, Lourdes; Sánchez Espigares, Josep Anton; Marco Almagro, Lluís; Tort-Martorell Llabrés, Xavier; Puig Oriol, Xavier; Riba Civil, Alexandre (2013)
      Conference report
      Open Access
      Presentamos un caso de rediseño de las prácticas de una asignatura de estadística. Tras realizar un diagnóstico del diseño previo (teniendo en cuenta la introducción del EEES), se propuso un juego competitivo on-line de ...
    • SERIES TEMPORALES | FINAL 

      Sánchez Espigares, Josep Anton (Universitat Politècnica de Catalunya, 2014-06-12)
      Exam
      Restricted access to the UPC academic community
    • SERIES TEMPORALES | FINAL 

      Sánchez Espigares, Josep Anton (Universitat Politècnica de Catalunya, 2019-06-03)
      Exam
      Restricted access to the UPC academic community
    • SERIES TEMPORALES | FINAL 

      Sánchez Espigares, Josep Anton (Universitat Politècnica de Catalunya, 2018-06-04)
      Exam
      Restricted access to the UPC academic community