三阶段DEA，本人自己的原创，用excel给出了第三阶段修正过程的计算。-Three-stage DEA, I own the original, with excel gives the third stage of the process of amending the calculation.

MaxDEA为功能强大的数据包络分析（Data Envelopment Analysis, DEA）软件。当前版本已包含各种选项组合模型达4740个-MaxDEA for powerful data envelopment analysis (Data Envelopment Analysis, DEA) software. The current version includes a variety of options for combinations of models up to 474