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Augmented Dickey-Fuller Test of the 1st difference of each variable.
|
Augmented Dickey-Fuller Test |
|||
|---|---|---|---|
| Variable | Test statistics | Lag order | p-value |
| diff(Road Collisions) | −7.37 | 5 | <0.01 |
| diff(Road Fatalities) | −7.17 | 5 | <0.01 |
| diff(Slightly Injured) | −7.65 | 5 | <0.01 |
