1stStep | 2ndStep | 3rdStep | ||||||
---|---|---|---|---|---|---|---|---|
MLE Coeff. | SE | MDE Coeff. | Diff. | Diff/SE | Adj. Coeff. | |||
Constant | β0 | 2.443 | 0.306 | *** | 2.257 | −0.186 | −0.609 | 2.246 |
Ln (Diesel) | β1 | 0.565 | 0.216 | *** | 0.527 | −0.038 | −0.127 | 0.522 |
Ln (Labour) | β2 | 0.281 | 0.109 | ** | 0.192 | −0.089 | −0.295 | 0.190 |
Ln (Nitrogen) | β3 | 0.834 | 0.290 | *** | 0.606 | −0.228 | −0.753 | 0.600 |
Ln(Diesel)*Ln(Diesel) | β11 | 0.157 | 0.104 | NS | 0.138 | −0.018 | −0.060 | 0.137 |
Ln(Diesel)*Ln(Labour) | β12 | 0.056 | 0.034 | * | 0.035 | −0.021 | −0.070 | 0.034 |
Ln(Diesel)*Ln(Nitrogen) | β13 | 0.125 | 0.066 | * | 0.107 | −0.017 | −0.057 | 0.106 |
Ln(Labour)*Ln(Labour) | β22 | −0.089 | 0.048 | * | −0.055 | 0.034 | 0.111 | −0.054 |
Ln(Labour)*Ln(Nitrogen) | β23 | 0.038 | 0.046 | NS | 0.020 | −0.018 | −0.059 | 0.020 |
Ln(Nitrogen)*Ln(Nitrogen) | β33 | 0.300 | 0.171 | * | 0.173 | −0.126 | −0.417 | 0.172 |