854 resultados para Autoregressive moving average (ARMA)


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Resumen del documento en catalán

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Recurso PROA. El Plan de Refuerzo, Orientación y Apoyo pretende abordar las necesidades asociadas al entorno sociocultural del alumnado mediante un conjunto de programas de apoyo a los centros educativos

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El Centro Unesco de Cataluña analiza los efectos que producen, sobre la educación, los conflictos armados y se plantea el tipo de protección que se debe dar al derecho a la educación en situaciones de conflicto. Se realiza un análisis de la situación de la educación en Gaza. Se combinan acciones de sensibilización y denuncia, con la recogida de fondos económicos para la reconstrucción de edificios escolares en la franja de Gaza. Además, se elabora un programa audiovisual para mostrar, de forma gráfica, la vulneración de este derecho básico en contextos bélicos.

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Se propone que se abra un espacio en el curriculum para el análisis de la publicidad. El objetivo es que los niños aprendan a enfrentar críticamente los anuncios, para contrarrestar su influencia. Se parte de la premisa de que la publicidad influye en el comportamiento y la psicología de los compradores. Crea modas, hábitos y necesidades y utiliza sin ética valores condenados en la enseñanza escolar, como el machismo.

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Título anterior : Boletín de la Comisión Española de la UNESCO

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Monográfico con el título: 'Evaluaciones de diagnóstico'

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Monográfico con el título: 'Perspectiva educativa y cultural de 'juego de rol'. Resumen basado en el de la publicación

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El artículo forma parte de un monográfico de la revista dedicado a lecciones contra la guerra como tema transversal

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Resumen basado en el de la publicación

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In this paper we extend the reuse of paths to the shot from a moving light source. In the classical algorithm new paths have to be cast from each new position of a light source. We show that we can reuse all paths for all positions, obtaining in this way a theoretical maximum speed-up equal to the average length of the shooting path

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The performance of the SAOP potential for the calculation of NMR chemical shifts was evaluated. SAOP results show considerable improvement with respect to previous potentials, like VWN or BP86, at least for the carbon, nitrogen, oxygen, and fluorine chemical shifts. Furthermore, a few NMR calculations carried out on third period atoms (S, P, and Cl) improved when using the SAOP potential

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In recent years, some epidemiologic studies have attributed adverse effects of air pollutants on health not only to particles and sulfur dioxide but also to photochemical air pollutants (nitrogen dioxide and ozone). The effects are usually small, leading to some inconsistencies in the results of the studies. Furthermore, the different methodologic approaches of the studies used has made it difficult to derive generic conclusions. We provide here a quantitative summary of the short-term effects of photochemical air pollutants on mortality in seven Spanish cities involved in the EMECAM project, using generalized additive models from analyses of single and multiple pollutants. Nitrogen dioxide and ozone data were provided by seven EMECAM cities (Barcelona, Gijón, Huelva, Madrid, Oviedo, Seville, and Valencia). Mortality indicators included daily total mortality from all causes excluding external causes, daily cardiovascular mortality, and daily respiratory mortality. Individual estimates, obtained from city-specific generalized additive Poisson autoregressive models, were combined by means of fixed effects models and, if significant heterogeneity among local estimates was found, also by random effects models. Significant positive associations were found between daily mortality (all causes and cardiovascular) and NO2, once the rest of air pollutants were taken into account. A 10 μg/m3 increase in the 24-hr average 1-day NO2 level was associated with an increase in the daily number of deaths of 0.43% [95% confidence interval(CI), –0.003–0.86%] for all causes excluding external. In the case of significant relationships, relative risks for cause-specific mortality were nearly twice as much as that for total mortality for all the photochemical pollutants. Ozone was independently related only to cardiovascular daily mortality. No independent statistically significant relationship between photochemical air pollutants and respiratory mortality was found. The results in this study suggest that, given the present levels of photochemical pollutants, people living in Spanish cities are exposed to health risks derived from air pollution

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This paper reviews a study to determine the relationship between a self-perceived hearing handicap index, pure-tone average and Articulation Index scores in an elderly population.