Forecasting Sales by Exponentially Weighted Moving Averages

Peter R. Winters
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Peter R. Winters: Graduate School of Industrial Administration, Carnegie Institute of Technology

Management Science, 1960, vol. 6, issue 3, 324-342

Abstract: The growing use of computers for mechanized inventory control and production planning has brought with it the need for explicit forecasts of sales and usage for individual products and materials. These forecasts must be made on a routine basis for thousands of products, so that they must be made quickly, and, both in terms of computing time and information storage, cheaply; they should be responsive to changing conditions. The paper presents a method of forecasting sales which has these desirable characteristics, and which in terms of ability to forecast compares favorably with other, more traditional methods. Several models of the exponential forecasting system are presented, along with several examples of application.

Date: 1960
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