Notes: Categorical Outputs in Data Envelopment Analysis
提出一种新的线性规划方法，用于处理数据包络分析中的分类输出变量，解决了早期混合整数模型在解释和计算上的困难。
A new linear programming formulation for handling categorical outputs in DEA is presented which eliminates the difficulties of interpretation and computation that accompanied earlier mixed integer models.