The average value of absolute error is 2.05% and the biggest error is 5.12% in the model of loom efficiency. The results indicate that ANN model has high forecast precision.
对于织机效率模型，预报误差绝对值的平均为2.05%，最大误差为5.12%，可知模型具有较高的预报精度，人工神经网络对此模型的预报可行有效。
As the name suggests, the mean absolute error is an average of the absolute errors, where is the prediction and the true value.
顾名思义，平均绝对误差是绝对误差的平均值，其中fi是预测值而yi是实际值。
The experimental results show that the absolute value of mean error of such prediction and control precision is within 5% , which gets good effect on sheet shape control. The BP network m…
仿真与实验结果表明：该模型预测和控制板形精度的平均误差绝对值均在5％之内，具有较好的效果，可应用于板形在线预测与控制。
The results indicate:(1)the mean absolute value of relative error of the prediction results of this model has been reduced at 0.13% (the original is 3.92% in the PLS model);
研究结果：（1）此模型预测结果的相对误差绝对值均值从PLS模型的3.92%，降低到了0.13%；
Distance between the acromion and the center of the shoulder was calculated by the data of this experimentation. The absolute value of error was smaller than 2.7 cm.
通过实验得出了肩关节中心与肩峰位置之间的近似距离，实际测量误差的绝对值均小于2.7 cm。
Distance between the acromion and the center of the shoulder was calculated by the data of this experimentation. The absolute value of error was smaller than 2.7 cm.
通过实验得出了肩关节中心与肩峰位置之间的近似距离，实际测量误差的绝对值均小于2.7 cm。
应用推荐