A Car-Following Model Based on Quantified Homeostatic Risk Perception

Table 1

Descriptive statistics of parameters calibrated using 63 cases.

	Response time 𝜏 (s)	Lower limit of the DSM SM𝑛𝐷𝐿	Upper limit of the DSM SM𝑛𝐷𝐻	Sensitivity factors for acceleration 𝛼1 (m/s^2)	Sensitivity factors for deceleration 𝛼2 (m/s^2)
𝑁 Valid	63	63	63	63	63
Missing	63	63	63	63	63
Mean	0.7016	0.7333	0.9297	8.4055	14.0590
Std. error of mean	0.05236	0.01673	0.00856	.66395	1.03028
Median	0.5000	0.7500	0.9398	6.4263	12.2188
Std. deviation	0.41562	0.13275	0.06796	5.26996	8.17763
Variance	0.173	0.018	0.005	27.773	66.874
Range	1.70	0.48	0.34	26.12	26.99
Minimum	0.30	0.50	0.66	3.79	3.01
Maximum	2.00	0.98	1.00	29.91	30.00