i tried using ARIMA but cannot due to small dataset. anybody know other time series forecasting for small dataset of 20 sample? urgent need help
When it comes to such small dataset:
- a good understanding of the underlying processes that generate the data is crucial.
- Then you need to find a suitable model with very few parameters that you can estimate from the data.
- The model can be used for extrapolation and forecasting.
Note: The quality of the forecast would then strongly depend on the choice of model and how well it fits to the underlying use case.