We can see one variation in one input or output data may result in variation of two data in classic DEA models. It increases the difficulty of Sensitivity Analysis.

• 从经典DEA模型可以看出,若是输入或输出中的某个数据发生变化,那么在单纯形表中,变化的数据实际上是两个,这无疑会加大分析难度。