A Bayesian Network Model for Origin-Destination Matrices Estimation Using Prior and Some Observed Link Flows

Table 3

Variances of traffic flows after updating observed link flows one by one.

Item	0	5	7	10	13	18
𝑇1	65.81	25.98	20.88	16.94	14.35	2.93
𝑇2	294.56	54.98	29.91	20.46	15.66	15.66
𝑇3	203.36	22.72	7.59	5.41	5.40	3.30
𝑇4	18.56	16.98	15.59	14.10	3.24	3.16
𝑉1	281.25	100.33	81.13	69.99	67.48	65.57
𝑉2	101.25	32.31	26.08	23.15	21.73	20.73
𝑉3	101.25	38.61	31.01	25.85	24.33	23.10
𝑉4	61.25	23.11	18.65	16.72	13.27	11.73
𝑉5	361.25	0	0	0	0	0
𝑉6	80.00	26.51	21.55	18.19	18.85	18.48
𝑉7	405.00	137.07	0	0	0	0
𝑉8	1.25	0.04	0.03	0.03	0.03	0.03
𝑉9	80.00	27.93	22.44	0	0	0
𝑉10	125.00	41.25	33.19	0	0	0
𝑉11	281.25	103.05	82.88	71.83	66.79	0
𝑉12	11.25	4.13	3.44	2.95	2.99	2.60
𝑉13	180.00	62.81	50.52	44.05	0	0
𝑉14	11.25	4.94	4.11	3.57	3.57	0
𝑉15	31.25	9.58	7.85	6.47	6.79	0
𝑉16	80.00	30.82	24.88	22.03	0	0
𝑉17	1.25	0.67	0.55	0.50	0.47	0.46
𝑉18	61.25	23.68	19.07	16.91	15.83	0
𝑉19	180.00	62.81	50.52	44.05	0	0