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An analyst collected data on the sales of a shampoo product for 36 months.
You can use this data to demonstrate Augmented Dickey-Fuller Test and Forecast with Best ARIMA Model.
| Worksheet column | Description |
|---|---|
| Index | The order of the data |
| Sales | The sales for the product |
These data are from Spyros, G. M. Wheelright, S. C., & Hyndman, R. J. (1998). Forecasting: Methods and Applications. United Kingdom, Wiley.
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