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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

[en] A STUDY OF THE EFFECTS OF FORECASTING LINEAR TIME SERIES WITH NEURAL NETWORKS / [pt] UM ESTUDO DOS EFEITOS DA PREVISÃO DE SÉRIES TEMPORAIS LINEARES COM REDES NEURAIS

FRANCISCO CARLOS SANTANA DE AZEREDO PINTO 27 November 2002 (has links)
[pt] Esta dissertação de mestrado analisa os efeitos de previsão de séries temporais com redes neurais em conjunto com a técnica de poda, denominada de Regularização Bayesiana. Utilizam-se diversas séries simuladas cujo processo gerador é de fato linear para comparar as previsões feitas por meio de modelos auto-regressivos lineares e redes neurais. Apresenta-se,ao final, uma comparação entre os modelos citados acima, segundo à eficiência preditiva de cada um. / [en] This paper studies the performance of neural networks estimated with Bayesian regularization to model and forecast time series where the data generations process is in fact linear. A simulation experiment is carried out to compare the forecast made by linear autoregressive models and neural networks.

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