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Table 4 (a, b) Parameter estimates and goodness-of-fit of the lognormal regression model of PSD
From: An evaluation of the passing process through road - vehicle parameters assessment
Parameter | B | Std. Error | t-value | p value |
|---|---|---|---|---|
(a) EKL2 | ||||
(Intercept) | 3.19150 | 0.01520 | 209.949 | < 0.001 |
ΔV | − 0.01555 | 0.00043 | − 35.750 | < 0.001 |
P fmax | − 0.00070 | 0.00024 | − 2.949 | 0.004 |
s ΔV | 0.00018 | 0.00004 | 4.808 | < 0.001 |
Null log-likelihood | 48.947 | |||
Final log-likelihood | 166.033 | |||
Likelihood ratio test | 2.443 | |||
df | 3 | |||
Adjusted R-squared | 0.942 | |||
(b) EKL3 | ||||
(Intercept) | 3.15000 | 0.01532 | 205.567 | < 0.001 |
ΔV | − 0.01560 | 0.00044 | − 35.588 | < 0.001 |
P fmax | − 0.00072 | 0.00024 | − 3.006 | 0.00357 |
s ΔV | 0.00015 | 0.00003 | 4.775 | < 0.001 |
Null log-likelihood | 48.641 | |||
Final log-likelihood | 165.389 | |||
Likelihood ratio test | 2.448 | |||
df | 3 | |||
Adjusted R-squared | 0.944 | |||