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.
|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.