Investigations on Driver Unique Identification from Smartphone’s GPS Data Alone

Table 9

Confusion matrix on group 3 (G3) of drivers.

Driver ID	Predicted				Recall (%)	Skill rank
	D017	D018	D019	D021
Actual
D017	21	0	0	3	87.5	3
D018	0	13	0	0	100	1
D019	1	2	9	2	64.2	2
D021	4	0	1	9	64.2	4
Precision (%)	80.7	86.6	90	64.2