Research Article
Accounting and Financial Management Cost Accounting Integrating Rough Set Knowledge Recognition Algorithm
Table 4
Zo multiple granularity correlation approximations.
| | 
 |  | Project | Decision class |  | S1 | S2 | S3 | S4 |  | 
 |  | Approximation under optimistic multi-granularity | 41 | 20 | 3 | 12 |  | Pessimistic multi-granularity approximation | 13 | 3 | 2 | 9 |  | Optimistic multi-granularity approximation | 41 | 20 | 5 | 13 |  | Pessimistic multi-granularity approximation | 68 | 26 | 55 | 26 |  | 
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