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

Table 19

Improvement of the proposed integrated models over single models.

(1) Rice price forecasting	(%)	(%)	(%)
(ii) Integrated ARIMA-ANN
ARIMA	369.822	340.945	376.038
ANN1	34.250	27.273	34.226
(ii) Integrated ARIMA-SVR
ARIMA	511.925	442.372	513.272
SVR1	251.772	252.688	236.023
(iii) Integrated ARIMA-MARS
ARIMA	333.093	240.977	332.613
MARS1	81.359	61.186	78.189
(2) Wheat price forecasting
(i) Integrated ARIMA-ANN
ARIMA	273.108	288.223	308.313
ANN1	30.810	21.562	29.598
(ii) Integrated ARIMA-SVR
ARIMA	242.775	271.562	283.046
SVR1	4.336	19.483	7.223
(iii) Integrated ARIMA-MARS
ARIMA	214.949	203.152	246.247
MARS1	20.304	−1.029	17.842
(3) Corn price forecasting
(i) Integrated ARIMA-ANN
ARIMA	102.896	86.124	106.391
ANN1	2.018	−10.973	1.645
(ii) Integrated ARIMA-SVR
ARIMA	105.605	109.089	108.399
SVR1	−2.601	−5.525	−3.677
(iii) Integrated ARIMA-MARS
ARIMA	127.606	120.253	132.074
MARS1	8.006	2.579	8.587