预测是1，预测的成功率

真实发生了，预测的成功率

混淆矩阵

from sklearn.metrics import confusion_matrix
confusion_matrix(y_test,y_predict)

精准率

from sklearn.metrics import precision_score
precision_score(y_test,y_predict)

召回率

from sklearn.metrics import recall_score
recall_score(y_test,y_predict)

from sklearn.metrics import f1_score
f1_score(y_test,y_predict)

Precisio-Recall 曲线

from sklearn..metrics import precision_recall_curve
precisions,recalls,thresholds=precision_recall_curve(y_test,decision_scores)

from sklearn.metrics import roc_curve
fprs,tprs,thresholds=roc_curve(y_test,decision_scores)
plt.plot(fprs,tprs)
plt.show()

ROC面积AUC

from sklearn.metrics import roc_auc_score
roc_auc_score(y_test,decision_scores)