Integrated Feature Selection of ARIMA with Computational Intelligence Approaches for Food Crop Price Prediction

Table 15

The results of ARIMA-MARS for corn price forecasting.

Variable selection results		BF	Coefficient
Variable	Relative importance (%)
Intercept			3.787
	100.0	BF1 = Max (0, 15.08 − Zt−24)	−0.277
	74.0	BF2 = Max (0, Zt−12 − 13.9)	−0.745
	44.8	BF3 = Max (0, Zt−1 − 11.59)	−0.466
	17.7	BF4 = Max (0, Zt−6 + 7.36)	0.175