Data Imputation for Detected Traffic Volume of Freeway Using Regression of Multilayer Perceptron

Table 3

Autocorrelation coefficient and correlation coefficient of VDS-1 to VDS-5.

VDS	Autocorrelation coefficient		Correlation coefficient
	lag = 1	lag = 2	VDS-1	VDS-2	VDS-3	VDS-4	VDS-5
VDS-1	0.903	0.861	1	0.798	0.759	0.496	0.882
VDS-2	0.950	0.923		1	0.834	0.593	0.791
VDS-3	0.940	0.908			1	0.674	0.836
VDS-4	0.773	0.702				1	0.582
VDS-5	0.925	0.892					1