The results show that the average absolute value of relative errors between predictive and measured values of hardness is 5.90%, the prediction accuracies of adhesion and impact resistance are 100%.

结果表明：硬度预测值与实验值相对误差的绝对值的平均值为5.90%，附着力预测准确率为100%，耐冲击性预测准确率为100%。

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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。

youdao

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。

youdao