Term | Coefficient estimate | Std Error | t ratio | P value Prob > F | VIF |
---|---|---|---|---|---|
Intercept | 57.3542 | 0.78473 | 73.09 | < 0.0001* | 1 |
W: PEI % | 1.7389 | 0.42836 | 4.06 | 0.0023* | 1 |
X: PEI activation time | 3.4611 | 0.42836 | 8.08 | < 0.0001* | 1 |
Y: GA % | 4.7944 | 0.42836 | 11.19 | < 0.0001* | 1 |
Z: GA activation time | − 2.05 | 0.42836 | − 4.79 | 0.0007* | 1 |
WX | − 0.5562 | 0.45435 | − 1.22 | 0.2489 | 1 |
WY | 2.2437 | 0.45435 | 4.94 | 0.0006* | 1 |
WZ | − 1.5187 | 0.45435 | − 3.34 | 0.0075* | 1 |
XY | − 0.1312 | 0.45435 | − 0.29 | 0.7786 | 1 |
XZ | − 0.8187 | 0.45435 | − 1.80 | 0.1017 | 1 |
YZ | − 1.8188 | 0.45435 | − 4.00 | 0.0025* | 1 |
W2 | 2.4867 | 1.13883 | 2.18 | 0.0539 | 1.9789 |
X2 | − 7.4132 | 1.13883 | − 6.51 | < 0.0001* | 1.9789 |
Y2 | 2.3867 | 1.13883 | 2.10 | 0.0625 | 1.9789 |
Z2 | 7.8867 | 1.13883 | 6.93 | < 0.0001* | 1.9789 |