Question: Create a pivot table expressing the total sales per store per year . Take the weekly data from the top selling store and perform the

Create a pivot table expressing the total sales per store per year . Take the weekly data from the top selling store and perform the following: o Plot the data, provide the plot, and comment on what you observe o Create a forecast with the following methodologies (optimize the alpha/beta/gamma based on the MAD): Exponential smoothing . Holt Method . Winter Method . Holt-Winter Method o Which forecast is best and why

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