The Analysis of Environmental Cost Control of Manufacturing Enterprises Using Deep Learning Optimization Algorithm and Internet of Things

Table 2

Analysis results of the secondary indexes with the largest sample gap feature under each primary index.

Primary index	Secondary index (excellent sample feature)	Secondary index (poor sample feature)
Internal input index of environmental protection A1	The update of environmental protection technology and equipment B3	The research and development fee of green products B2
Cleaner production index A2	Pollutant emission reduction B7	Energy-saving B6
Pollution control effect index A3	The compliance rate of pollutant discharge B10	Number of accidental pollution incidents B12
External influence index A4	Environmental protection tax and pollution fine B13	Environmental complaints B15