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

Table 2

Ljung-Box test results for ARIMA modeling of rice prices.

Autocorrelation check of residuals
To Lag	Chi-square	DF	Pr > ChiSq	Autocorrelations
6	4.61	2	0.0995	−0.002	0.007	−0.024	−0.073	0.006	−0.096
12	6.34	8	0.6097	0.009	0.007	0.016	0.027	−0.031	0.059
18	13.10	14	0.5190	−0.023	0.028	0.028	−0.09	0.061	−0.087
24	14.40	20	0.8096	0.059	0.012	0.008	−0.006	−0.012	−0.015
30	19.29	26	0.8242	−0.102	−0.045	−0.025	−0.002	0.026	0.036
36	20.10	32	0.9494	0.018	−0.022	−0.002	−0.024	−0.003	0.032