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Fuzzy Sets and Systems - Fuzzy Numbers
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Fuzzy Sets and Systems
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Forecasting enrollments using high-order fuzzy time series and genetic algorithms: Research Articles
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A bivariate fuzzy time series model to forecast the TAIEX
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Trend-weighted fuzzy time-series model for TAIEX forecasting
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A neural network-based fuzzy time series model to improve forecasting
Expert Systems with Applications: An International Journal
A new method to forecast the TAIEX based on fuzzy time series
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A new method for forecasting the TAIEX based on high-order fuzzy logical relationships
SMC'09 Proceedings of the 2009 IEEE international conference on Systems, Man and Cybernetics
Handling forecasting problems based on high-order fuzzy logical relationships
Expert Systems with Applications: An International Journal
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Expert Systems with Applications: An International Journal
Expert Systems with Applications: An International Journal
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Hi-index | 12.06 |
This paper proposes a hybrid model based on multi-order fuzzy time series, which employs rough sets theory to mine fuzzy logical relationship from time series and an adaptive expectation model to adjust forecasting results, to improve forecasting accuracy. Two empirical stock markets (TAIEX and NASDAQ) are used as empirical databases to verify the forecasting performance of the proposed model, and two other methodologies, proposed earlier by Chen and Yu, are employed as comparison models. Besides, to compare with conventional statistic method, the partial autocorrelation function and autoregressive models are utilized to estimate the time lags periods within the databases. Based on comparison results, the proposed model can effectively improve the forecasting performance and outperforms the listing models. From the empirical study, the conventional statistic method and the proposed model both have revealed that the estimated time lags for the two empirical databases are one lagged period.