An Imputation Method for Missing Traffic Data Based on FCM Optimized by PSO-SVR

Table 9

Correlation coefficient matrices of two traffic volume series from several adjacent lanes in a section of the urban expressway.

	Lane 1	Lane 2	Lane 3	Lane 4
Lane 1	1	0.9843	0.9739	0.9642
Lane 2	0.9843	1	0.9761	0.9718
Lane 3	0.9739	0.9761	1	0.9843
Lane 4	0.9642	0.9718	0.9843	1