Identifying and Labeling Potentially Risky Driving: A Multistage Process Using Real-World Driving Data

Table 5

Risky driving data propositions.

Date	Original database size	Labeled, reformatted database size	Proportion labeled potentially risky (%)
April 1, 2013	44.5 million	3.92 million	7.10
April 2, 2013	51.4 million	4.32 million	7.54
April 4, 2013	50.0 million	4.60 million	7.93
April 5, 2013	50.0 million	4.47 million	8.90
April 6, 2013	39.7 million	2.92 million	7.62
April 7, 2013	32.6 million	2.43 million	6.89