In the second step, an RBFNN is developed to model the residuals from the ARMA model.The final forecast value combines both outputs of ARMA model and RBFNN.

 
  • 采用ARMA模型对汽车销量趋势进行初步线性预测,利用RBF神经网络对线性预测的残差建模,得到非线性预测,两部分预测输出和为总的预测值。
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