#定义z-score标准化函数 def z_score(x): return (x - x.mean()) / x.std() 1. 2. 3. #使用z-score标准化函数标准化数据 data_z = data.apply(z_score, 0) data_z 1. 2. 3. 第三步 编秩 参数method可选’average’、‘min’、‘max’、‘first’、‘dense’,默认为’average’ 参数asc...
python.sklearnmetrics 本文搜集整理了关于python中sklearnmetrics r2_score方法/函数的使用示例。 Namespace/Package: sklearnmetrics Method/Function: r2_score 导入包: sklearnmetrics 每个示例代码都附有代码来源和完整的源代码,希望对您的程序开发有帮助。 示例1 def svm_regressor(features,target,test_size_...
training_accuracy = metrics.r2_score(y_train,training_predictions)# test_accuracy_model = metrics.r2_score(y_test,test_prediction_model)test_accuracy = metrics.r2_score(y_test,testing_predictions)# print"Cross-val predicted accuracy:", training_accuracyprint"Test-predictions accuracy:",test_accurac...