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Browsing by Subject "Forecasting"

Now showing items 1-20 of 42

A Comparison of Forecasting Mortality Models Using Resampling Methods

Atance, David; Debón Aucejo, Ana María; Navarro, Eliseo (MDPI AG, 2020-09)

[EN] The accuracy of the predictions of age-specific probabilities of death is an essential objective for the insurance industry since it dramatically affects the proper valuation of their products. Currently, it is crucial ...
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 (Universitat Politècnica de València, 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, ...
Analysis and modelling of value added tax revenues on imports: Some issues of application in Ukraine

Luchko, Mykhayilo; Drozd, I.; Plutytska, K.; Ruska, R.; Vovk, I. (Universitat Politècnica de València, 2021-01-29)

[EN] The aim of the article is to study the issues of analysis, modeling with the purpose of forecasting the payment of value added tax (VAT) on goods, works and services imported as imports into the customs territory of ...
Análisis de datos en edificios inteligentes - Análisis de grupos e identificación de patrones

Sala Cócera, Juan (Universitat Politècnica de València, 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 (Universitat Politècnica de València, 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 ...
Application of Discrete-Interval Moving Seasonalities to Spanish Electricity Demand Forecasting during Easter

Trull, Óscar; García-Díaz, J. Carlos; Troncoso, Alicia (MDPI AG, 2019-03-02)

[EN] Forecasting electricity demand through time series is a tool used by transmission system operators to establish future operating conditions. The accuracy of these forecasts is essential for the precise development of ...
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 (Universitat Politècnica de València, 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 ...
Elaboración de una metodología de trabajo para el tratamiento y la predicción de series temporales de consumo de agua potable

Morer, Fidae el (Universitat Politècnica de València, 2021-01-15)

[ES] El presente trabajo consiste en la elaboración de una metodología para el análisis de una serie temporal de caudal de agua potable en un sector hidráulico de tipo domiciliario de una ciudad de la provincia de Valencia ...
Electricity Forecasting Improvement in a Destination Using Tourism Indicators

TRULL DOMÍNGUEZ, OSCAR; Peiró Signes, Angel; García-Díaz, J. Carlos (MDPI AG, 2019-07-03)

[EN] The forecast of electricity consumption plays a fundamental role in the environmental impact of a tourist destination. Poor forecasting, under certain circumstances, can lead to huge economic losses and air pollution, ...
Empirical safety stock estimation based on kernel and GARCH models

Trapero, Juan R.; Cardós, Manuel; Kourentzes, Nikolaos (Elsevier, 2019-04)

[EN] Supply chain risk management has drawn the attention of practitioners and academics alike. One source of risk is demand uncertainty. Demand forecasting and safety stock levels are employed to address this risk. Most ...
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 (Universitat Politècnica de València, 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 ...