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

Table 20

PIs of the whole food crop prices by using the proposed integrated models over the single ARIMA models.

	(%)	(%)	(%)
(1) ARIMA-ANN over ARIMA
Rice	369.822	340.945	376.038
Wheat	273.108	288.223	308.313
Corn	102.896	86.124	106.391
Average PIs	248.609	238.431	263.581
(2) ARIMA-SVR over ARIMA
Rice	511.925	442.372	513.272
Wheat	242.775	271.562	283.046
Corn	105.605	109.089	108.399
Average PIs	286.768	274.341	301.572
(3) ARIMA-MARS over ARIMA
Rice	333.093	240.977	332.613
Wheat	214.949	203.152	246.247
Corn	127.606	120.253	132.074
Average PIs	225.216	188.127	236.978