Prediction Model for Safe Operation of Pumping Stations Optimized by the Sparrow Search Algorithm and BP Neural Network

Table 5

Safety index and safety level.

Serial number	A1	A2	A3	A4	A5	Composite safety index	Security level
1	88.8594	75.2774	85.319	82.0027	91.7650	83.7435	Ⅰ
2	64.2969	76.9891	76.1698	84.5829	85.6332	77.7857	Ⅱ
3	94.4698	84.1432	87.9483	90.6629	90.0537	89.2518	Ⅰ
4	71.2652	89.8414	81.8102	87.0267	86.9354	83.9192	Ⅰ
5	85.5054	80.5671	75.3314	83.9897	81.5630	81.6352	Ⅰ
6	74.8571	83.3191	70.9330	77.8022	85.9224	78.7454	Ⅱ
7	83.2548	71.6683	81.5562	85.1437	72.8172	79.0011	Ⅱ
8	84.2136	83.0831	83.6054	87.0326	89.3821	85.3685	Ⅰ
9	67.7215	76.9694	80.0456	89.7790	87.3681	80.6310	Ⅰ
10	90.3180	85.4226	88.5964	89.5538	85.0736	87.8311	Ⅰ