[单选题]The______tool is used in precision work to smooth or enlarge a slightly undersized holeA.round outB.round fileC.reamerD.hole driller
The ______________ of the project requires attention to detail and precision.The
[单选题](假设precision=TP/(TP+FP),recall=TP/(TP+FN)。)在二分类问题中,当测试集的正例和负例数量不均衡时,以下评价方案哪个是相对不合理的()A.Accuracy:(TP+TN)/allB.F-value:2*recall*precision/(recall+precision)C.G-mean:sqrt(precision*recall)D.AUC:曲线下面积
precision=1表示分箱结果保留一位小数D.分箱结果的最大值为67分箱是一-种连续数据离散化的特征工程手段,常用函数pd.cut()实现,请阅读以下pyt