Now showing items 21-36 of 36

    • Motor unit action potential duration, I: variability of manual and automatic measurements 

      Rodríguez Carreño, Ignacio Upna; Gila Useros, Luis; Malanda Trigueros, Armando Upna; García Gurtubay, Ignacio; Mallor Giménez, Fermín Upna; Gómez Elvira, Sagrario Upna; Rodríguez Falces, Javier Upna; Navallas Irujo, Javier Upna (Lippincott, Williams & Wilkins, 2007)   Artículo / Artikulua  OpenAccess
      To analyze the variability in manual measurements of motor unit action potential (MUAP) duration and to evaluate the effectiveness of well-known algorithms for automatic measurement. Two electromyographists carried out ...
    • Motor unit action potential duration, II: a new automatic measurement method based on the wavelet transform 

      Rodríguez Carreño, Ignacio Upna; Gila Useros, Luis; Malanda Trigueros, Armando Upna; García Gurtubay, Ignacio; Mallor Giménez, Fermín Upna; Gómez Elvira, Sagrario Upna; Rodríguez Falces, Javier Upna; Navallas Irujo, Javier Upna (Lippincott, Williams & Wilkins, 2007)   Artículo / Artikulua  OpenAccess
      To present and evaluate a new algorithm, based on the wavelet transform, for the automatic measurement of motor unit action potential (MUAP) duration. A total of 240 MUAPs were studied. The waveform of each MUAP was ...
    • Un nuevo algoritmo en programación signomial 

      Allueva, A.; Pérez Prados, Antonio Upna (Sociedad Española de Estadística e Investigación Operativa, 1992)   Artículo / Artikulua  OpenAccess
      La técnica de programación geométrica resuelve problemas no lineales en los que tanto la función objetivo como las restricciones son expresiones posinomiales con coeficientes positivos. La teoría de programación signomial ...
    • Nuevo criterio de complejidad utilizando una medida de eficiencia 

      Munduate del Río, Arantza; Pérez Prados, Antonio Upna; Cano Sevilla, Francisco J. (Instituto Nacional de Estadística, 1995)   Artículo / Artikulua  OpenAccess
      Centrado en el campo de los árboles de decisión, este trabajo estudia la forma de selección de un árbol óptimo entre los posibles árbo1es obtenidos a partir del análisis de un conjunto de datos, utilizando para ello una ...
    • Persistence, clearance and reinfection regarding six high risk human papillomavirus types in Colombian women: a follow-up study 

      Soto de León, Sara; Río Ospina, Luisa del; Camargo, Milena; Sánchez, Ricardo; Moreno Pérez, Darwin Andrés; Pérez Prados, Antonio Upna; Patarroyo, Manuel Elkin; Patarroyo, Manuel Alfonso (BioMed Central, 2014)   Artículo / Artikulua  OpenAccess
      Background: The design of new healthcare schemes which involve using molecular HPV screening means that both persistence and clearance data regarding the most prevalent types of HR-HPV occurring in cities in Colombia must ...
    • Possible role of chondroitin sulphate and glucosamine for primary prevention of colorectal cancer. Results from the MCC-Spain study 

      Ibáñez Sanz, Gemma; Díez Villanueva, Anna; Vilorio Marqués, Laura; Gracia, Esther; Aragonés, Nuria; Olmedo Requena, Rocío; Llorca, Javier; Vidán, Juana; Amiano, Pilar; Nos, Pilar; Fernández Tardón, Guillermo; Rada, Ricardo; Chirlaque, María Dolores; Guinó, Elisabet; Dávila Batista, Verónica; Castaño Vinyals, Gemma; Pérez Gómez, Beatriz; Mirón Pozo, Benito; Dierssen Sotos, Trinidad; Etxeberria Andueza, Jaione Upna; Molinuevo, Amaia; Álvarez Cuenllas, Begoña; Kogevinas, Manolis; Pollán, Marina; Moreno, Víctor (Springer Nature, 2018)   Artículo / Artikulua  OpenAccess
      A safe and effective colorectal cancer (CRC) chemoprevention agent remains to be discovered. We aim to evaluate the association between the use of glucosamine and/or chondroitin sulphate and risk of colorectal cancer (CRC) ...
    • Prostate cancer incidence and mortality in Navarre (Spain) 

      Etxeberria Andueza, Jaione Upna; Guevara, M.; Moreno-Iribas, C.; Burgui, R.; Delfrade, I.; Floristan, Y.; Montesino Semper, Manuel F.; Ardanaz, E. (Gobierno de Navarra. Departamento de Salud, 2018)   Artículo / Artikulua  OpenAccess
      Fundamento. A nivel mundial, el cáncer de próstata es uno de los tumores malignos más comúnmente diagnosticados en los hombres. En este estudio, se analizan las tendencias de la incidencia y mortalidad de cáncer de próstata, ...
    • A review of estimation of distribution algorithms in bioinformatics 

      Armañanzas, Rubén; Inza, Iñaki; Santana, Roberto; Saeys, Yvan; Flores, Jose Luis; Lozano, Jose Antonio; Peer, Yves van de; Blanco Gómez, Rosa Upna; Robles, Victor; Bielza, Concha; Larrañaga, Pedro (BioMed Central, 2008)   Artículo / Artikulua  OpenAccess
      Evolutionary search algorithms have become an essential asset in the algorithmic toolbox for solving high-dimensional optimization problems in across a broad range of bioinformatics problems. Genetic algorithms, the most ...
    • A review of simheuristics: extending metaheuristics to deal with stochastic combinatorial optimization problems 

      Juan, Ángel Alejandro; Faulín Fajardo, Javier Upna; Grasman, Scott Erwin Upna; Rabe, Markus; Figueira, Gonçalo (Elsevier Ltd., 2015)   Artículo / Artikulua  OpenAccess
      Many combinatorial optimization problems (COPs) encountered in real-world logistics, transportation, production, healthcare, financial, telecommunication, and computing applications are NP-hard in nature. These real-life ...
    • scmamp: statistical comparison of multiple algorithms in multiple problems 

      Calvo, Borja; Santafé Rodrigo, Guzmán Upna (The R Foundation, 2016)   Artículo / Artikulua  OpenAccess
      Comparing the results obtained by two or more algorithms in a set of problems is a central task in areas such as machine learning or optimization. Drawing conclusions from these comparisons may require the use of statistical ...
    • Small area estimation of gender-based violence: rape incidence risks in Uttar Pradesh, India 

      Vicente, G.; Goicoa Mangado, Tomás Upna; Puranik, A; Ugarte, M.D. (Society of Statistics, Computer and Applications, 2018)   Artículo / Artikulua  OpenAccess
      Violence against women is considered an endemic problem in communities and countries around the world, and it has been declared an issue of epidemic proportions by the World Health Organization (WHO). In India, where the ...
    • Spatial gender-age-period-cohort analysis of pancreatic cancer mortality in Spain (1990-2013) 

      Etxeberria Andueza, Jaione Upna; Goicoa Mangado, Tomás Upna; López Abente, Gonzalo; Riebler, Andrea; Ugarte Martínez, María Dolores Upna (Public Library of Science, 2017)   Artículo / Artikulua  OpenAccess
      Recently, the interest in studying pancreatic cancer mortality has increased due to its high lethality. In this work a detailed analysis of pancreatic cancer mortality in Spanish provinces was performed using recent data. ...
    • Stochastic spatio-temporal models for analysing NDVI distribution of GIMMS NDVI3g images 

      Militino, Ana F. Upna; Ugarte Martínez, María Dolores Upna; Pérez Goya, Unai Upna (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      The normalized difference vegetation index (NDVI) is an important indicator for evaluating vegetation change, monitoring land surface fluxes or predicting crop models. Due to the great availability of images provided by ...
    • Temporal evolution of brain cancer incidence in the municipalities of Navarre and the Basque Country, Spain 

      Ugarte Martínez, María Dolores Upna; Adin Urtasun, Aritz Upna; Goicoa Mangado, Tomás Upna; Casado, Itziar; Ardanaz, Eva; Larrañaga, Nerea (BioMed Central, 2015)   Artículo / Artikulua  OpenAccess
      Background: Brain cancer incidence rates in Spain are below the European’s average. However, there are two regions in the north of the country, Navarre and the Basque Country, ranked among the European regions with ...
    • Tendencias en las tasas de incidencia de cáncer colorrectal en Navarra en el periodo 1990-2005 

      Etxeberria Andueza, Jaione Upna; Ugarte Martínez, María Dolores Upna; Barricarte Gurrea, Aurelio Upna; Goicoa Mangado, Tomás Upna; Moreno Iribas, C.; Azagra, M. J.; San Roman, E.; Burgui, R.; Militino, Ana F. Upna; Ardanaz, Eva (Gobierno de Navarra, 2012)   Artículo / Artikulua  OpenAccess
      Fundamento. En España, se ha observado un aumento de la incidencia de cáncer colorrectal (CCR) en ambos sexos en los últimos años, posiblemente debido a las mejoras diagnósticas, a la occidentalización de la dieta y ...
    • Th17-related genes and celiac disease susceptibility 

      Medrano, Luz María; García Magariños, Manuel Upna; Dema, Barbara; Espino, Laura; Maluenda, Carlos; Polanco, Isabel; Figueredo, María Ángeles; Fernández Arquero, Miguel; Núñez, Concepción (Public Library of Science, 2012)   Artículo / Artikulua  OpenAccess
      Th17 cells are known to be involved in several autoimmune or inflammatory diseases. In celiac disease (CD), recent studies suggest an implication of those cells in disease pathogenesis. We aimed at studying the role of ...