基于主成分分析—支持向量机模型的矿岩可爆性等级预测研究
韩超群,陈建宏,周智勇,杨珊

Research on Prediction of Rock Mass Blastability Classification Based on PCA-SVM Model
Chaoqun HAN,Jianhong CHEN,Zhiyong ZHOU,Shan YANG
表3 主成分方差贡献率及其特征值
Table 3 Variance contribution of principal components and their eigenvalues
主成分特征值贡献率/%累计贡献率/%
PC12.615943.6043.60
PC21.376922.9566.55
PC31.205820.1086.64
PC40.703911.7398.38
PC50.07291.2299.59
PC60.02460.41100.00