The total income of national economy and the amount of population are predicted with second-degree moving model and with the principle of least mean square fit error determining designated value n.
利用二次移动平均模型，引入均方拟合误差最小的原理确定出时段数n，对国民经济总收入、人口数量等项目进行了预测。
The effluent treatment process was predicted with this BP neural network model with the average relative error of 19%, which indicates that the generalization power of the network is not so desirable.
利用BP神经网络模型实现了对造纸废水处理过程的预测，平均相对误差为19%，表明网络泛化能力不是很好。
Standard error map shows that the model predicted water table space high precision irrigation groundwater monitoring Wells within the distribution is more uniform and rational.
地下水位的标准误差预测图表明模型进行地下水位空间预测精度较高，灌区内地下水观测井的分布较为均匀、合理。
Transfer function model reduced error of forecast due to it made use of ARIMA model theory as well as calculated affection of input series leading the predicted value of output series.
由于传递函数模型是在利用ARIMA模型理论基础上，同时将输入序列的变化对输出序列预测值的影响充分的加以考虑，所以可以使预报误差大大降低。
Slope system is a sort of typical complex gray system, applying classical gray prediction model will engender large error in predicted value due to the high discrete degree of monitored displacement.
边坡系统是一类典型的复杂灰色系统，由于其位移监测数据离散程度较高，因此应用经典灰色预测模型往往会出现预测值偏差较大的情况。
The paper proposed a Predicted-Error-Based Model Algorithm Control (PEBMAC) method.
提出了一种基于预测偏差的模型算法控制方法。
The check result indicated that J9 the forecast model can control the predicted value relative error in 5%, the J15 forecast model can control in 3%.
检验结果表明J9的预测模型能够把预测值的相对误差控制在5%以内，J 15的预测模型能够控制在3%以内。
The check result indicated that J9 the forecast model can control the predicted value relative error in 5%, the J15 forecast model can control in 3%.
检验结果表明J9的预测模型能够把预测值的相对误差控制在5%以内，J 15的预测模型能够控制在3%以内。
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