Dynamic O-D Demand Estimation: Application of SPSA AD-PI Method in Conjunction with Different Assignment Strategies

Table 7

Evaluation of the estimated demand in terms of O–D aggregated distribution in time.

Reference values [ref.]	Euclidean distance seed-true	Time interval (minutes)
		0–20	5–25	10–30	15–35
		700	700	693	682
Set I	Euclidean distance seed-estimated
	[% diff. respect to Ref]
	Euclidean distance true-estimated
	[% diff. with respect to ref]
Set II	Euclidean distance seed-estimated
	[% diff. with respect to ref.]
	Euclidean distance true-estimated
	[% diff. with respect to ref.]
Set IV	Euclidean distance seed-estimated
	[% diff. with respect to ref.]
	Euclidean distance true-estimated
	[% diff. with respect to ref.]
Set V	Euclidean distance seed-estimated
	[% diff. with respect to ref.]
	Euclidean distance true-estimated
	[% diff. with respect to ref.]
Set VI	Euclidean distance seed-estimated
	[% diff. with respect to ref.]
	Euclidean distance true-estimated
	[% diff. with respect to ref.]
Set VII	Euclidean distance seed-estimated
	[% diff. with respect to ref.]
	Euclidean distance true-estimated
	[% diff. with respect to ref.]
Set VIII	Euclidean distance seed-estimated
	[% diff. with respect to ref.]
	Euclidean distance true-estimated
	[% diff. with respect to ref.]