Research Article
Rockburst Prediction Based on the KPCA-APSO-SVM Model and Its Engineering Application
Table 4
Cumulative contribution rate of KPC.
| Core principal component | Cumulative contribution rate (%) |
| KPC1 | 23.91 | KPC2 | 45.99 | KPC3 | 65.92 | KPC4 | 75.99 | KPC5 | 81.08 | KPC6 | 85.86 | KPC7 | 89.12 | KPC8 | 92.01 |
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