Research Article

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

Table 4

Cumulative contribution rate of KPC.

Core principal componentCumulative contribution rate (%)

KPC123.91
KPC245.99
KPC365.92
KPC475.99
KPC581.08
KPC685.86
KPC789.12
KPC892.01