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影響豬肉價格的因素分析-文庫吧資料

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【正文】 . dependent var. of regressionMean dependent varAdjusted RsquaredE1(1)Rsquaredobservations and may not be accurate for a sample size of 11Augmented DickeyFuller Test EquationDependent Variable: D(E1)Method: Least SquaresDate: 12/18/10 Time: 15:11Sample (adjusted): 1998 2008Included observations: 11 after adjustmentsVariableCoefficientStd. ErrortStatisticProb.Test critical values:1% level5% level10% level*MacKinnon (1996) onesided pvalues.Warning: Probabilities and critical values calculated for 20. | . |10從圖中可以看出,其自相關(guān)系數(shù)和偏自相關(guān)系數(shù)均落在二倍的標(biāo)注差以內(nèi),說明其波動性較小,且在幾階之后趨近于0,說明從長期來看,其是不相干的,屬于白噪聲。. | . |. | . |9. | . |. | . |8. | . |. | . |7. | . |. *| . |6. | . |. | . |5. |* . |. | . |4. | . |. *| . |3. **| . |. **| . |2. **| . |. |* . |1. |* . |ProbPAC8白噪聲檢驗Date: 12/18/10 Time: 15:00Sample: 1997 2008Included observations: 12AutocorrelationPartial CorrelationACProb(Fstatistic)從表中可以看出,,接受原假設(shè),說明殘差之間不存在二階自相關(guān),通過了LM檢驗。FstatisticDurbinWatson statSchwarz criterionLog likelihoodAkaike info criterionSum squared resid. dependent var. of regressionMean dependent varAdjusted RsquaredCD(X1)LOG(X2)D(X3)X4(1)RESID(1)RESID(2)
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