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Modified AIC and FPE criteria for autoregressive (AR) model order selection by using LSFB estimation method

机译:通过使用LSFB估计方法修改自动增加(AR)模型订单选择的AIC和FPE标准

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The Least-Squares-Forward-Backward (LSFB) method for estimating the parameters of the autoregressive (AR) model is considered and new theoretical approximations for expectations of the prediction error and the residual variance are derived. These results are used for modifying the AR order selection criteria FPE and AIC. The performance of these modified criteria is compared with other AR order selection criteria using simulated data. The results of these performance comparisons show that the new criteria have better performance in the finite sample case.
机译:考虑用于估计自回归(AR)模型的参数的最小二乘前后向后(LSFB)方法,并导出了预测误差和残差方差的期望的新的理论近似。这些结果用于修改AR订单选择标准FPE和AIC。将这些修改标准的性能与使用模拟数据的其他AR订单选择标准进行比较。这些性能比较的结果表明,新标准在有限的样本情况下具有更好的性能。

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