#curve

ORA-54506: compound curve not supported for 3-D geometries

文档解释ORA-54506:compoundcurvenotsupportedfor3-DgeometriesCause:The3-Dgeometrycontainedoneormorecompoundcurves,whicharenotsupportedfor3-Dgeometries.Action:Removeal...

sklearn.learning_curve

学习曲线函数:fromsklearn.learning_curveimportlearning_curve调用格式:learning_curve(estimator,X,y,train_sizes=array([0.1,0.325,0.55,0.775,1.]),cv=None,scoring=None,exploit...
代码星球 ·2020-07-22

洛伦兹曲线(Lorenz curve)提升指数、提升表和提升图

https://study.163.com/course/introduction.htm?courseId=1005214003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share  ...

【AUC】二分类模型的评价指标ROC Curve

  AUC是指:从一堆样本中随机抽一个,抽到正样本的概率比抽到负样本的概率大的可能性!  AUC是一个模型评价指标,只能用于二分类模型的评价,对于二分类模型,还有很多其他评价指标,比如logloss,accuracy,precision。如果你经常关注数据挖掘比赛,比如kaggle,那你会发现AUC和logloss基本...