Multilayer feedforward networks are universal approximators
Neural Networks
Time Series Analysis, Forecasting and Control
Time Series Analysis, Forecasting and Control
Jump process for the trend estimation of time series
Computational Statistics & Data Analysis
Computers and Industrial Engineering
Expert Systems with Applications: An International Journal
GA-based neural network for energy recovery system of the electric motorcycle
Expert Systems with Applications: An International Journal
Engineering Applications of Artificial Intelligence
Computers and Industrial Engineering
Modeling and analyzing technology innovation in the energy sector: Patent-based HMM approach
Computers and Industrial Engineering
Analysis of cross-price effects on markdown policies by using function approximation techniques
Knowledge-Based Systems
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Electric energy demand forecasting is a fundamental tool for production and distribution companies because it provides them with a prediction of the market demand of electric energy. Two kinds of forecasting may be performed: short term and medium to long term. This work is focused on monthly prediction, which is useful for the maintenance planning of grids and as market research for electricity producers and resellers. The timed series of monthly electric energy demands presents a rising tendency due to the influence of economic and technological evolution on the electric market. Embedded in this general trend is a fluctuation caused by the difference in demand from month to month. This paper proposes the extraction of that trend to perform separate predictions of both tendency and fluctuation with neural networks, which will be summed up to obtain the series forecasting. A Mean Absolute Percentage Error (MAPE) of about 2% has been obtained.