Travel Matrix Decomposition for Understanding Spatial Long-Distance Travel Structure

Table 3

The regression analysis result of travel cost.

		Estimate	t-Stat
	Intercept	−2.560^∗∗	−35.893
	Distance (100 km)	−0.638^∗∗	−32.943
	Minimum travel time (hour)	−0.0940^∗∗	−13.204
Number of observations (prefecture pairs)		1066
		0.741

Level of significance: ^∗∗1% and ^∗5%.