Application of Three-Stage DEA Model Combined with BP Neural Network in Microfinancial Efficiency Evaluation

Table 1

Model operation efficiency evaluation criteria.

Index level	Very poor	Relatively poor	Average	Relatively good	Very good
Comprehensive evaluation value	[0, 0.2)	[0.2, 0.4)	[0.4, 0.6)	[0.6, 0.8)	[0.8, 1]