我有以下代码/数据:
import numpy as np
data = np.array([
[12, 1, 0.7, 0],
[13, 2, 0.5, 1],
[41, 3, 0.3, 0],
[20, 2, 0.8, 0],
[51, 2, 0.7, 0],
[32, 0, 0.9, 0],
[17, 4, 0.7, 1],
[54, 1, 0.6, 1],
[22, 1, 0.4, 1],
[74, 0, 0.5, 0],
[11, 4, 0.3, 1],
[13, 3, 0.8, 0],