Multisource Data Framework for Road Traffic State Estimation

Table 1

Relation between detection and traffic flow for different filters.

Time interval used for data filtering	Without filtering	5min filter	15min filter	60min filter
Correlation coefficient	0.3682	0.2179	0.1972	0.0442
R^2	0.8947	0.9193	0.9337	0.8594
Largest differences; (absolute value and percentage ranges)	-401 / 623 vehicles; -26% / 75%	-410 / 437 vehicles; -23% / 61%	-336 / 389 vehicles; -22% / 57%	-536 / 767 vehicles; -35% / 79%