from sklearn.metrics import confusion_matrix import matplotlib.pyplot as plt y_test = [0, 0, 0, 0, 0, 1, 1, 1, 1, 1] y_pred = [0, 1, 0, 0, 0, 0, 0, 1, 1, 1] confusion_matrix = confusion_matrix(y_test, y_pred) print(confusion_matrix) plt.matshow(confusion_matrix) plt.title(‘Confusion matrix‘) plt.colorbar() plt.ylabel(‘True label‘) plt.xlabel(‘Predicted label‘) plt.show()
[[4 1] [2 3]]
原文：https://www.cnblogs.com/starcrm/p/11718616.html