Fault Diagnosis Method of Polymerization Kettle Equipment Based on Rough Sets and BP Neural Network

Table 3

Initial decision-making table.

Sample (𝑈)	Condition attribute				Decision attribute (𝐷)
	𝑎, 𝑆1	𝑏, 𝑆2	𝑐, 𝑆3	𝑑, 𝑆4
1	1	1	1	1	0
2	1	1	1	3	0
3	1	1	1	2	0
4	1	2	1	3	0
5	1	1	2	1	0
⋮	⋮	⋮	⋮	⋮	⋮
12	2	1	1	5	1