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Financial Time Series Forecasting By Neural Network Using Conjugate Gradient Learning Algorithm And Multiple Linear Regression Weight Initialization

Author

Listed:
  • Chi-Cheong Chris Wong

    (The Hong Kong Polytechnic University)

  • Man-Chung Chan

    (The Hong Kong Polytechnic University)

  • Chi-Chung Lam

    (The Hong Kong Polytechnic University)

Abstract

Multilayer neural network has been successfully applied to the time series forecasting. Backpropagation, a popular learning algorithm, converges slowly and has the difficulty in determining the network parameters. In this paper, conjugate gradient learning algorithm with restart procedure is introduced to overcome these problems. Also, the commonly used random weight initialization does not guarantee to generate a set of initial connection weights close to the optimal weights leading to slow convergence. Multiple linear regression (MLR) provides an alternative for weight initialization. The daily trade data of the listed companies from Shanghai Stock Exchange is collected for technical analysis with the means of neural networks. Two learning algorithms and two weight initializations are compared. The results find that neural networks can model the time series satisfactorily. The proposed conjugate gradient with MLR weight initialization requires a lower computation cost and learns better than backpropagation with random initialization.

Suggested Citation

  • Chi-Cheong Chris Wong & Man-Chung Chan & Chi-Chung Lam, 2000. "Financial Time Series Forecasting By Neural Network Using Conjugate Gradient Learning Algorithm And Multiple Linear Regression Weight Initialization," Computing in Economics and Finance 2000 61, Society for Computational Economics.
    • Handle: RePEc:sce:scecf0:61
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    References listed on IDEAS

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    1. David F. Shanno, 1978. "Conjugate Gradient Methods with Inexact Searches," Mathematics of Operations Research, INFORMS, vol. 3(3), pages 244-256, August.
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    Cited by:

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    2. Mohammad Arashi & Mohammad Mahdi Rounaghi, 2022. "Analysis of market efficiency and fractal feature of NASDAQ stock exchange: Time series modeling and forecasting of stock index using ARMA-GARCH model," Future Business Journal, Springer, vol. 8(1), pages 1-12, December.

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