This research aims to study the pattern of the books books forecasting case study.Find the appropriate forecast pattern based on the list of books in internal Department Pick Face by virtue of historical data for a period of 1 year is calculated for the point of order books, according to a list of สืและ leather. Prepared drivers, storing, and orders books.Research tools include time series forecasting Observation and data collection forms, and sales forecasts at Pick Face retrospective book in library case study program Visual Studio 2015 reorder point theory (ROP). Passengers had time series to forecast sales and forecasts to the ROP in the preparation of the application activity control program storage and orders books using the Visual Studio 2015 in preparation. After comparing the average forecasting techniques, moving the original form, with smooth adjustment of the forecast model Holt-Winters. Found that the adjusted model prediction techniques, Holt-Winters. There is a percentage of the average tolerances less than forecast in the original form technique is to find a moving average. In the preparation of programs to control storage activity and orders for books, books with lower doses, using data from the study at the end of the 11th to keep data, found that the number of books at the store, there are a total of 46.56 percent decrease.
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