The Influence of Big Data Analytics on E-Commerce: Case Study of the U.S. and China

Table 22

Comparison of linear regression models involving lag variables.

Dependent variable	Independent variable
	X02	X02 (-1)	X69	X69 (-2)
Y02	0.616	0.624	2.410	2.376
		X04	X04 (-1)	X70	X70 (-2)
	Y06	5.328	5.868	170.442	150.349

; . X02: searching subject term “E-Commerce” in the WoS (Core Collection). X04: searching subject term “E-Commerce” in CNKI (periodical). X69: searching subject term “Quantum Computing” in the WoS (Core Collection). X70: searching subject term “Quantum Computing” in CNKI (periodical). Y02: retail e-commerce sales for U.S. Y06: retail e-commerce sales for China.