Impact of Urban Undersea Tunnel Longitudinal Slope on the Visual Characteristics of Drivers

Table 9

Fitting formula parameters and fitting model ANOVA.

Up-and-down slope (direction)	Value of fitting formula parameters						Variance analysis of model
	z0	A	xc		yc		R^2	F
Uphill	1255.295	−163.315	−338.571	9.777	26.277	31.398	0.9109	2973.011	≤0.001
Downhill	−589.629	−162.251	640.472	19.156	−110.190	29.168	0.8908	1544.910	≤0.001