Function multi_logloss

tests/python_package_test/test_engine.py:31–32

(y_true, y_pred)

def multi_logloss(y_true, y_pred):
    return np.mean([-math.log(y_pred[i][y]) for i, y in enumerate(y_true)])


def top_k_error(y_true, y_pred, k):