Bureau of Transportation Statistics (BTS)
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Table 6 - Comparison of Models and Operators

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Variable Parameter Estimate T P
X1 β1 −1.46 −4.73 0.000
X2 β2 2.84 2.19 0.029
X4 β4 0.18 7.51 0.000
X5 β5 0.014 7.13 0.000
V1X1 γ11 2.44 6.04 0.000
V1X2 γ12 1.88 1.39 0.166
V2X2 γ22 3.52 1.57 0.116
UX4 λ1 −0.14 −3.06 0.002
UX5 λ2 0.004 0.99 0.325

ANOVA (OPERATOR)

Source Additional SS df F P
Operator 131.12 3 13.125 0.000
Error 2,104.73 632    
Total 4,964.00 641    

ANOVA (MODEL)

Source Additional SS df F P
Model 40.91 2 6.143 0.002
Error 2,104.73 632    
Total 4,964.00 641