[Retracted] Wheat Futures Prices Prediction in China: A Hybrid Approach

Table 3

Conventional model variables and coefficient estimation.

Variables	Coefficient
Constant	−8.209 (4.284)
	0.045 (0.037)
	−0.033 (0.022)
	3.182 (1.236)
	−0.329 (0.547)
	8.196 (4.206)
	0.015
	−0.096 (0.079)
Observations	951

Note., , and specify statistical significance at the 10%, 5%, and 1% levels, respectively, value in parentheses represent corresponding standard errors, and test statistics: F (6, 942) = 3.289 ( value 0.031).