使用交叉验证在物流回归中获得100％的AUC评分

Question

使用Reression logitique进行交叉验证时，我获得了100％的AUC分数

代码

``X_train,X_test,y_train,y_test=train_test_split(X,y,test_size=0.3,random_state=0)
model = LogisticRegression(class_weight= 'balanced')
print(cross_val_score(model, X, y, cv=5, scoring='roc_auc').mean())``