How Snowfalls Affect the Operation of Taxi Fleets? A Case Study from Harbin, China

Table 3

Results of Granger Causality Test.

Original hypothesis: X is not the Granger cause of Y
Lag order	F-value	value
1	10.922	0.002
2	4.004	0.024
3	2.853	0.046
4	2.408	0.062
5	2.587	0.039
6	2.402	0.044
7	1.696	0.139