Expressway Traffic Flow Missing Data Repair Method Based on Coupled Matrix-Tensor Factorizations

Table 2

Data types.

Detector number	Attribute	Detection time	Flow	Speed	Occupancy
TYD10(2)	Valid	2018-8-27 0 : 05	32	0	4
TYX10(1)	Invalid	2018-8-27 0 : 05	0	0	13
TYD12(1)	Lost	2018-8-27 0 : 10	0	0	0