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

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...

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　　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...