摘要：Forecasting is one thing to be aware of the company to become a sustainablecompany, other than it is useful also to tackle the sales competition with similarcompanies. Forecasting is also useful to see whether the policies that have beentaken by the company in terms of sales in prior periods have been appropriate orno improvement was made in order to maintain its position in world trade, andstill earn a profit. The purpose of scientific writing is to analyze the salesforecasting downy mildew in May 2009 based on the distributions FREEDOMforecasting sales data in March 2008 until April 2009. The analysis tools forscientific writing is a method of simple moving average (MA) and the method ofmoving a balanced (WMA). To be able to compare the two methods which arebest used as a reference to the requirement to have the smallest error.
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