[Retracted] Design and Application of BP Neural Network Optimization Method Based on SIWSPSO Algorithm

Table 2

Description of influence degree of risk factors.

Degree of influence	Description	Assignment
Key	Risk factor is the key factor leading to risk	(4～5)
Serious	The impact of risk factors is significant	(3～4)
General	The impact of risk factors is moderate	(2～3)
Small	Risk factors have little influence	(1～2)
Can be ignored	The impact of risk factors can be ignored	(0～1)