Rockburst Prediction Based on the KPCA-APSO-SVM Model and Its Engineering Application

Table 3

Kernel principal components of some samples.

No.	KPC1	KPC2	KPC3	KPC4	KPC5	KPC6	KPC7	KPC8
1	0.10692	0.42853	1.97035	−0.17271	0.65215	−0.22392	0.10120	0.24332
2	−0.25321	−0.38902	1.85827	0.20085	0.53811	−0.26607	0.06083	−0.03937
3	−1.95496	0.79475	0.77955	0.01823	−0.29556	−0.32993	−0.04782	−0.16777
4	−1.84689	1.49646	0.87969	−0.60029	−0.48013	−0.27125	0.19077	−0.16795
5	−1.30235	−1.72574	0.42354	−0.82812	0.05384	0.41649	−0.31473	−0.12872
…	…	…	…	…	…	…	…	…
100	1.77102	0.05669	−0.30371	−0.06907	−0.23411	0.00553	0.03396	−0.16156
101	1.52412	1.06352	0.41351	−0.01057	0.01023	0.30916	−0.25692	−0.01365
102	1.68988	0.20107	1.51051	−0.26358	−0.02316	−0.12874	−0.15304	0.29054
103	2.08223	0.23528	0.58012	−0.27131	−0.32644	−0.00912	−0.14021	−0.01348
104	1.61922	−0.41878	−0.28636	−0.11999	−0.29266	−0.03638	0.19072	−0.13508