Browsing by Subject "Forecasting"

A patient-specific FE-based methodology to simulate prosthesis insertion during an augmentation mammoplasty

Lapuebla-Ferri, Andrés; Perez del Palomar, Amaya; Herrero, Javier; Jimenez Mocholi, Antonio José (Elsevier, 2011)

[EN] Breast augmentation surgery is a widespread practice for aesthetic purposes. Current techniques, however, are not able to reliably predict the desired final aspect of the breast after the intervention, whose success ...

A stochastic dynamic model to evaluate the influence of economy and well-being on unemployment control

Soler Fernández, David; Sanz, María T.; Caselles, Antonio; Micó, Joan C. (Elsevier, 2018)

[EN] This paper presents a stochastic dynamic mathematical model to study the evolution of the unemployment rate and other relevant related variables in a country. This model is composed by three basic interrelated subsystems: ...

A stochastic dynamical social model involving a human happiness index

Sanz, María T.; Caselles, Antonio; Micó, Joan C.; Soler Fernández, David (Elsevier, 2018)

[EN] This paper presents a new human happiness index built through five dimensions: development, freedom, solidarity, justice and peace. These five dimensions are evaluated through quantitative variables obtained from the ...

Acoustic insertion loss due to two dimensional periodic arrays ofcircular cylinders parallel to a nearby surface

Krynkin, Anton; Umnova, Olga; Sánchez Pérez, Juan Vicente; Chong, Alvin Yung Boon; Taherzadeh, Shahram; Attenborough, Keith (Acoustical Society of America, 2011)

The acoustical performances of regular arrays of cylindrical elements, with their axes aligned and parallel to a ground plane, have been investigated through predictions and laboratory experiments. Semi-analytical predictions ...

Ajuste y pronóstico de la mortalidad: aplicación del modelo de Lee-Carter y sus extensiones para España

Moshuk, Marta (2012-11-29)

[ES] El presente trabajo se centra en el estudio de las tasas de mortalidad para la población española. Para ello,se utiliza el modelo de Lee-Carter , que en primer lugar se describe en su forma más clásica, para posteriormente, ...

Análisis de datos en edificios inteligentes - Análisis de grupos e identificación de patrones

Sala Cócera, Juan (2020-04-27)

[EN] The transition towards a more sustainable environment requires the development of new control systems to integrate renewable energy sources into the energy systems and also to model the customer’s behaviour and its ...

Análisis de la previsión de la demanda en la empresa Roquette Laisa España S.A.

Gallo Mendez, Genesis (2020-03-30)

[ES] La empresa Roquette Laisa España S.A. se enfrenta a un problema de estimación de la demanda de varias materias primas que utiliza tanto en la producción de producto final como en procesos internos de limpieza de ...

Big Data sources and methods for social and economic analyses

Blazquez, Desamparados; Domenech, Josep (Elsevier, 2018)

[EN] The Data Big Bang that the development of the ICTs has raised is providing us with a stream of fresh and digitized data related to how people, companies and other organizations interact. To turn these data into knowledge ...

Boundless multiobjective models for cash management

Salas-Molina, Francisco; Rodriguez-Aguilar, Juan A; Pla Santamaría, David (Taylor & Francis, 2018-05-31)

[EN] Cash management models are usually based on a set of bounds that complicate the selection of the optimal policies due to nonlinearity. We here propose to linearize cash management models to guarantee optimality through ...

Breast cancer mortality in Spain: Has it really declined?

Álvaro Meca, A.; Debón Aucejo, Ana María; Gil Prieto, R.; Gil de Miguel, Á. (WB Saunders, 2012-10)

Objectives: In recent years, the incidence of breast cancer has increased in Spain but mortality has decreased, particularly since 1992. Despite the general decrease in mortality, the intensity of this disease differs ...

Development of a daily scale hydrological forecasting system for the Júcar river basin.

Avesani, Federico (2019-06-21)

[EN] The present work aims to develop a prediction system for the future hydrological conditions of the river Júcar. The HBV model and 7 month-lead daily weather forecasts (precipitation and temperature) provided by the ...

Evaluation of a multiple linear regression model and SARIMA model in forecasting 7Be air concentrations

Bas Cerdá, María del Carmen; Ortiz Moragón, Josefina; Ballesteros Pascual, Luisa; Martorell Alsina, Sebastián Salvador (Elsevier, 2017-06-01)

[EN] Forecasting the 7Be air concentration is a target value in analyzing fluctuations that could reveal important information on the motions of atmospheric air masses. In this study we first propose a Seasonal Autoregressive ...

Forecasting 7BE concentrations in surface air using time series analysis

Bas Cerdá, María del Carmen; Ortiz Moragón, Josefina; Ballesteros Pascual, Luisa; Martorell Alsina, Sebastián Salvador (Elsevier, 2017-02-14)

[EN] 7Be is a cosmogenic radionuclide widely used as an atmospheric tracer, whose evaluation and forecasting can provide valuable information on changes in the atmospheric behavior. In this study, measurements of 7Be ...

Forecasting exchange rates using recurrent neural networks

Cuéllar Abril, Juan Julián (2020-09-18)

[EN] FOREX is a market in which large amounts of resources are invested in order to predict changes in currency pairs as accurately as possible. In this market, machine learning is also having a great impact and numerous ...

Forecasting model selection through out-of-sample rolling horizon weighted errors

Poler Escoto, Raúl; Mula, Josefa (Elsevier, 2011-11)

Demand forecasting is an essential process for any firm whether it is a supplier, manufacturer or retailer. A large number of research works about time series forecast techniques exists in the literature, and there are ...

Google Trends: analítica de búsquedas al servicio del investigador, del profesional y del curioso

Orduña-Malea, Enrique (Ediciones Profesionales de la Informacion SL, 2019)

[ES] Google Trends se actualizó en mayo de 2018 incorporando importantes novedades, como un rediseño de la sección de tendencias de búsqueda, mejoras en la visualización de datos, así como la inclusión de Stories, piezas ...

Influence of candidate qualities and previous president performance in voting intentions

Ribes-Giner, Gabriela; Fuentes Blasco, María (Taylor & Francis: STM, Behavioural Science and Public Health Titles, 2014)

This article aims to measure empirically the influence of the main variables affecting the voting intention of the electorate, taking as reference the polls result obtained in the previous months of the 2008 American General ...

Mathematical relationships between scoring parameters in capped tendering

Ballesteros Pérez, Pablo; González-Cruz, María-Carmen; Cañavate-Grimal, Antonio (Elsevier, 2012)

[EN] Mathematical relationships between Scoring Parameters can be used in Economic Scoring Formulas (ESF) in tendering to distribute the score among bidders in the economic part of a proposal.Each contracting authority ...

Measuring and Forecasting Job-Search in Italy using Machine Learning

Drago, Carlo; Hoxhalli, Gentian (Editorial Universitat Politècnica de València, 2020-07-10)

[EN] The Social Media are becoming more and more important to allow to measure phenomena which are very difficult to measure on a different way. In this sense these data can become relevant indicators which could be ...

Modelling and forecasting mortality in Spain

Debón Aucejo, Ana María; Montes, F.; Puig, F (Elsevier, 2008-09)

[EN]Experience shows that static life tables overestimate death probabilities. As a consequence of this overestimation the premiums for annuities, pensions and life insurance are not what they actually should be, with ...

Browsing by Subject "Forecasting"

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Browsing by Subject "Forecasting"