Variable | Estimate | Std. Error | t-value | Pr (>|t|) |
C | 27.04466 | 175.9025 | 0.153748 | 0.8784 |
X1^2 | −0.110573 | 0.199299 | −0.554810 | 0.5814 |
X1*X2 | 0.289404 | 0.215308 | 1.344139 | 0.1849 |
X1*X3 | −0.338914 | 0.301625 | −1.123628 | 0.2664 |
X1*X4 | −0.232366 | 0.232549 | −0.999213 | 0.3224 |
X1*X6 | −0.044353 | 0.039873 | −1.112343 | 0.2712 |
X1 | 6.776101 | 7.249776 | 0.934663 | 0.3544 |
X2^2 | −0.062041 | 0.074980 | −0.827436 | 0.4118 |
X2*X3 | −0.068328 | 0.223471 | −0.305757 | 0.7610 |
X2*X4 | 0.138883 | 0.187077 | 0.742384 | 0.4613 |
X2*X6 | −0.012555 | 0.029427 | −0.426653 | 0.6714 |
X2 | −4.001684 | 5.751358 | −0.695781 | 0.4897 |
X3^2 | 0.086175 | 0.265767 | 0.324250 | 0.7471 |
X3*X4 | 0.371117 | 0.349468 | 1.061948 | 0.2933 |
X3*X6 | 0.044668 | 0.072411 | 0.616876 | 0.5401 |
X3 | −4.729345 | 12.04327 | −0.392696 | 0.6962 |
X4^2 | −0.143504 | 0.116760 | −1.229052 | 0.2247 |
X4*X6 | −0.027806 | 0.044096 | −0.630572 | 0.5311 |
X4 | 4.784077 | 8.236844 | 0.580814 | 0.5639 |
X6^2 | 0.023550 | 0.007464 | 3.155170 | 0.0027 |
X6 | −1.455804 | 2.161876 | −0.673399 | 0.5037 |
R-squared | 0.632185 | Mean dependent var | 11.73660 | |
Adjusted R-squared | 0.487944 | S.D. dependent var | 22.22738 | |
S.E. of regression | 15.90548 | Akaike info criterion | 8.609698 | |
Sum squared resid | 12902.20 | Schwarz criterion | 9.273725 | |
Log likelihood | −288.9491 | Hannan-Quinn criter. | 8.874049 | |
F-statistic | 4.382839 | Durbin-Watson stat | 2.419165 | |
Prob (F-statistic) | 0.000010 |
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