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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

A Hybrid Method to Improve Forecasting Accuracy in the Case of Sanitary Materials Data

Author 1: Daisuke Takeyasu
Author 2: Hirotake Yamashita
Author 3: Kazuhiro Takeyasu

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2014.050509

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 5 Issue 5, 2014.

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Abstract: Sales forecasting is a starting point of supply chain management, and its accuracy influences business management significantly. In industries, how to improve forecasting accuracy such as sales, shipping is an important issue. In this paper, a hybrid method is introduced and plural methods are compared. Focusing that the equation of exponential smoothing method(ESM) is equivalent to (1,1) order ARMA model equation, a new method of estimation of smoothing constant in exponential smoothing method is proposed before by Takeyasu et.al. which satisfies minimum variance of forecasting error. Firstly, we make estimation of ARMA model parameter and then estimate smoothing constants. In this paper, combining the trend removing method with this method, we aim to improve forecasting accuracy. Trend removing by the combination of linear and 2nd order non-linear function and 3rd order non-linear function is carried out to the manufacturer’s data of sanitary materials. The new method shows that it is useful for the time series that has various trend characteristics and has rather strong seasonal trend. The effectiveness of this method should be examined in various cases.

Keywords: component; minimum variance; exponential smoothing method; forecasting; trend; sanitary materials

Daisuke Takeyasu, Hirotake Yamashita and Kazuhiro Takeyasu, “A Hybrid Method to Improve Forecasting Accuracy in the Case of Sanitary Materials Data” International Journal of Advanced Computer Science and Applications(IJACSA), 5(5), 2014. http://dx.doi.org/10.14569/IJACSA.2014.050509

@article{Takeyasu2014,
title = {A Hybrid Method to Improve Forecasting Accuracy in the Case of Sanitary Materials Data},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2014.050509},
url = {http://dx.doi.org/10.14569/IJACSA.2014.050509},
year = {2014},
publisher = {The Science and Information Organization},
volume = {5},
number = {5},
author = {Daisuke Takeyasu and Hirotake Yamashita and Kazuhiro Takeyasu}
}


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