二分类下的混淆矩阵

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()

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