Research Article
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 |
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