Матрица ошибок, confusion_matrix()

import pandas as pd

from sklearn.metrics import confusion_matrix

target = pd.Series([0, 1, ... 0, 1, 1])
predictions = pd.Series([1, 1 ... 1, 0, 1])

confusion_matrix(target, predictions)

Ответ в форме

[[TN, FP]

  [FN, TP] ]