Table 4 Residual ADF unit root test
From: Renewable energy, energy efficiency, and eco-friendly environment (R-E5) in Nigeria
Variable | None | Constant | Constant and trend | Conclusion |
|---|---|---|---|---|
Residual/ | t-obs | t-obs | t-obs | OI Lag |
Error term | −5.2985 | −5.1772 | −5.0410 | I(0) [1] |