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

Table 8

Confusion matrix on group 1 (G1) of drivers.

Driver ID	Predicted				Recall (%)	Skill rank
	D014	D021	D034	D058
Actual
D014	6	5	0	0	54.4	4
D021	1	13	0	0	92.8	3
D034	0	1	27	3	87.1	2
D058	0	1	5	26	81.2	1
Precision (%)	85.7	65	84.3	89.6