基于主成分分析和随机森林的恶意网站评估与识别*

陈远, 王超群, 胡忠义, 吴江

Identifying Malicious Websites with PCA and Random Forest Methods

Chen Yuan,Wang Chaoqun,Hu Zhongyi,Wu Jiang

表2 特征值及其贡献率

变量 特征值 贡献率 累积贡献率 1 5.12214596 0.3201341227 0.3201341 2 2.39191511 0.1494946944 0.4696288 3 1.87757791 0.1173486195 0.5869774 4 1.16274401 0.0726715004 0.6596489 5 1.01827300 0.0636420626 0.7232910 6 0.92795486 0.0579971785 0.7812882 7 0.83805885 0.0523786779 0.8336669 8 0.57201780 0.0357511122 0.8694180 9 0.55509074 0.0346931711 0.9041111 10 0.51360908 0.0321005675 0.9362117 11 0.30381803 0.0189886270 0.9552003 12 0.24950388 0.0155939926 0.9707943 13 0.22731629 0.0142072679 0.9850016 14 0.16495318 0.0103095735 0.9953112 15 0.06485261 0.0040532884 0.9993645 16 0.01016870 0.0006355439 1.0000000