Accounting and Financial Management Cost Accounting Integrating Rough Set Knowledge Recognition Algorithm

Table 2

Multiple granularity correlation approximations.

Project	Decision class
	S1	S2	S3	S4
Approximation under optimistic multi-granularity	112	52	72	41
Pessimistic multi-granularity approximation	38	2	7	5
Optimistic multi-granularity approximation	112	61	72	52
Pessimistic multi-granularity approximation	191	288	189	205