Abstract
This paper presents wavelet method for time series in business-field forecasting. An autoregressive moving average (ARMA) model is used, it can model the near-periodicity, nonstationarity and nonlinearity existed in business short-term time series. According to the wavelet denoising, wavelet decomposition and wavelet reconstruction, the hidden period and the nonstationarity existed in time series are extracted and separated by wavelet transformation. The characteristic of wavelet decomposition series is applied to BP networks and an autoregressive moving average (ARMA) model. It shows that the proposed method can provide more accurate results than the conventional techniques, like those only using BP networks or autoregressive moving average (ARMA) models.
Sponsored by National Natural Science Foundation of China (Grant No. 70501009).
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Tong, W., Li, Y., Ye, Q. (2006). A Wavelet Analysis Based Data Processing for Time Series of Data Mining Predicting. In: Ng, WK., Kitsuregawa, M., Li, J., Chang, K. (eds) Advances in Knowledge Discovery and Data Mining. PAKDD 2006. Lecture Notes in Computer Science(), vol 3918. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11731139_91
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DOI: https://doi.org/10.1007/11731139_91
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-33206-0
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