Mean Absolute Error的Metric代码实现 """Error."""importnumpyasnpfrom.metricimportMetricclassMAE(Metric):def__init__(self):super(MAE,self).__init__()self.clear()defclear(self):"""清除历史数据"""self._abs_error_sum=0self._samples_num=0defupdate(self,*inputs):# 检验输入个数iflen(input...
下面是一个使用 Python 计算 MAE 的示例代码: importnumpyasnpdefmean_absolute_error(y_true, y_pred): N =len(y_true) mae = np.sum(np.abs(y_true - y_pred)) / Nreturnmae 在示例代码中,y_true 是一个 NumPy 数组,表示真实值;y_pred 是一个 NumPy 数组,表示预测值。代码通过求取绝对值差异...
abs_error_test =100.*mean_absolute_error(YTest,y_pred_test)*len(YTest)/(89.7* values_TM[1,0] * values_TM[1,1]) print("abs test", abs_error_test) mse_error_train =100.*np.sqrt(mean_squared_error(YTrain,y_pred_train)*len(YTrain)/(values_TM[0,0] * values_TM[0,1]))/(...
boston.target[400:])assert(abs(est1 - est2) >0.01) 開發者ID:trevorstephens,項目名稱:gplearn,代碼行數:20,代碼來源:test_genetic.py 示例10: test_subsample ▲點讚 6▼ # 需要導入模塊: from sklearn import metrics [as 別名]# 或者: from sklearn.metrics importmean_absolute_error[as 別名]deft...
predict(x_test_current_tmp) if len(values_TM)!=0: abs_error_train = 100.*mean_absolute_error(YTrain,y_pred_train)*len(YTrain)/(89.7* values_TM[0, 0] * values_TM[0,1]) print("abs train", abs_error_train) abs_error_test = 100.*mean_absolute_error(YTest,y_pred_test)*len...
全部来源 求助全文 Semantic Scholar dx.doi.org SPIE adsabs.harvard.edu ResearchGate 查看更多 相似文献 引证文献X‐ray reconstruction of moving morphology (XROMM): precision, accuracy and applications in comparative biomechanics research Mean error in measurement of a known distance between two beads ...
The mean-absolute error gives the mean absolute difference between model predictions and target values in Watson OpenScale.Mean-absolute error at a glance Description: Mean of absolute difference between model prediction and target value Default thresholds: Upper limit = 80% Default recommendation: ...
IOP (全网免费下载) IOP Semantic Scholar adsabs.harvard.edu ResearchGate 查看更多 相似文献 参考文献 引证文献Comparison of Artificial Neural Network (ANN) and Response Surface Methodology (RSM) in the Prediction of Quality Parameters of Spray-Dried Pomegranate Juice of 18 unseen experiments based on RM...
Mean Absolute Percent Error翻译 Mean Absolute Percent Error 平均绝对百分比误差;
Semantic Scholar dx.doi.org adsabs.harvard.edu ResearchGate ResearchGate (全网免费下载) 查看更多 相似文献 参考文献 引证文献Optimizing the Prediction Accuracy of Friction Capacity of Driven Piles in Cohesive Soil Using a Novel Self-Tuning Least Squares Support Vector Machine previous results by neural ...