y = y.astype(np.int)
时间: 2024-04-24 13:26:39 浏览: 127
这行代码的作用是将布尔型数组y转换为整型数组。在这个例子中,y是通过对NumPy数组x进行不等号运算得到的布尔型数组。大于0的元素被转换为True,小于等于0的元素被转换为False。通过调用astype(np.int)方法,将布尔型数组y转换为整型数组。转换后的数组y中,True被表示为1,False被表示为0。所以最终y的值为array(\[0, 1, 1\])。\[1\]
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