Historical data requirement of different models
| Forecasting models | Data requirement | Time horizon for forecasting |
|---|---|---|
| Neural network | Large number | Short |
| Box–Jenkins | 50 | Long |
| Trend models | 10–20 | Short, medium |
| Simple exponential smoothing | 5–10 | Short |
| Moving average | 2–30 | Short |
| Casual regression models | 10 observations per independent variable | Short, medium, long |
| Grey models | 4 | Short, medium, long |
| Forecasting models | Data requirement | Time horizon for forecasting |
|---|---|---|
| Neural network | Large number | Short |
| Box–Jenkins | 50 | Long |
| Trend models | 10–20 | Short, medium |
| Simple exponential smoothing | 5–10 | Short |
| Moving average | 2–30 | Short |
| Casual regression models | 10 observations per independent variable | Short, medium, long |
| Grey models | 4 | Short, medium, long |
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