Question: The file S12 59 xlsx contains total monthly U S retail sales data
The file S12_59.xlsx contains total monthly U.S. retail sales data. Compare the effectiveness of Winters’ method with that of the ratio-to-moving-average method in de-seasonalizing this time series. Using the de-seasonalized time series generated by each of these two methods, forecast U.S. retail sales with the most appropriate method. Defend your choice of forecasting method.
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