A New Reliability Rock Mass Classification Method Based on Least Squares Support Vector Machine Optimized by Bacterial Foraging Optimization Algorithm

Table 5

Verification of hybrid algorithm regression effect.

Serial number	Predicted result	BQ evaluation after excavation	Relative error (%)
1	303.36	308	−1.51
2	169.03	164	3.07
3	298.10	295	1.05
4	371.29	371	0.08
5	230.11	234	−1.66
6	266.06	264	0.78
7	176.39	177	−0.35
8	189.61	196	−3.26
9	296.33	299	−0.89
10	182.88	178	2.74