Research Article
Accelerated Failure Time Model to Explore the Perception Response Times of Drivers in Simulated Car-Following Scenarios
Table 2
Comparison of fit statistics of the models.
| Heterogeneity treatment | Distribution | Degrees of freedom | Log likelihood | AIC | BIC | |
| Without heterogeneity | Weibull | 10 | −274.114 | 568.227 | 607.089 | 0.000 | Lognormal | 10 | −267.593 | 555.186 | 594.047 | 0.000 | Log-logistic | 10 | −265.031 | 550.063 | 588.924 | 0.000 |
| With heterogeneity | Weibull | 11 | −190.161 | 402.322 | 445.069 | 0.000 | Lognormal | 11 | −245.826 | 513.651 | 556.399 | 0.000 | Log-logistic | 11 | −247.058 | 516.115 | 558.862 | 0.000 |
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