Analyzing the Spatio-Temporal Characteristics and Influencing Factors of “AI + Education” Network Attention in China

Table 6

ADF test results.

Variable	Difference order	t		AIC	Critical value
					1%	5%	10%
Education funds (10^4 yuan)	0	7.106	1.000	169.373	−5.354	−3.646	−2.901
	1	0.494	0.985	144.541	−6.045	−3.929	−2.987
	2	−8.32	0.000	143.634	−6.045	−3.929	−2.987

Note. , , and represent the significance level of 1%, 5%, and 10%, respectively.