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• W2024805871 abstract "Neural network has been popular in time series prediction in financial areas because of their advantages in handling nonlinear systems. This paper presents a study of using a novel recurrent neural network–echo state network (ESN) to predict the next closing price in stock markets. The Hurst exponent is applied to adaptively determine initial transient and choose sub-series with greatest predictability during training. The experiment results on nearly all stocks of S&P 500 demonstrate that ESN outperforms other conventional neural networks in most cases. Experiments also indicate that if we include principle component analysis (PCA) to filter noise in data pretreatment and choose appropriate parameters, we can effectively prevent coarse prediction performance. But in most cases PCA improves the prediction accuracy only a little." @default.
• W2024805871 created "2016-06-24" @default.
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• W2024805871 date "2009-04-01" @default.
• W2024805871 modified "2023-10-11" @default.
• W2024805871 title "Short-term stock price prediction based on echo state networks" @default.
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• W2024805871 doi "https://doi.org/10.1016/j.eswa.2008.09.049" @default.
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