混淆矩阵
参考答案：
用表格的方式检核分类精度的样区内所有像元，统计分类图中的类别与实际类别之间的混淆程度
Thank you very much. But for you, I ____ in the fight yesterday.
A．would have been died
B．would have been killed
C．should die
D．would have killed
简单流必须满足在互不重叠的时间间隔中顾客到达的概率是相互独立的。这种特性被称为（）
A.平稳性
B.稀疏性
C.无后效性
D.一致性
