2013
DOI: 10.14569/ijacsa.2013.040806
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A Hybrid Method to Improve Forecasting Accuracy Utilizing Genetic Algorithm –An Application to the Data of Operating equipment and supplies

Abstract: Abstract-In industries, how to improve forecasting accuracy such as sales, shipping is an important issue. There are many researches made on this. 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, new method of estimation of smoothing constant in exponential smoothing method is proposed before by us which satisfies minimum variance of forecasting error. Generally, smooth… Show more

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“…Trend is removed by dividing original data by (12), (13), (14). The patterns of trend removal are exhibited in Table1.…”
Section: B Trend Removingmentioning
confidence: 99%
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“…Trend is removed by dividing original data by (12), (13), (14). The patterns of trend removal are exhibited in Table1.…”
Section: B Trend Removingmentioning
confidence: 99%
“…Estimation results of coefficient of (9), (10) and (11) are exhibited in Table 2. Estimation results of weights of (12), (13) and (14) are exhibited in Table 3.…”
Section: B Trend Removingmentioning
confidence: 99%