水库泥沙来源定量判别方法的判别能力对比

牛百成, 刘峰贵, 周强, 陈琼, 柳本立

Comparative analysis of discriminant ability of quantitative discriminant models for reservoir sediment sources

Baicheng Niu, Fenggui Liu, Qiang Zhou, Qiong Chen, Benli Liu

表2 通过逐步判别式分析为最优复合指纹法选取最佳指纹因子组合

Table 2 Using stepwise discriminant function analysis to select fingerprints for optimum composite fingerprint

步骤 选入的指纹因子变量 Wilks’lambda 累计判别力/% 1 Zn 0.290 66.7 2 Al2O3 0.116 86.1 3 Co 0.087 88.9 4 Cu 0.068 94.4 5 Mn 0.052 97.2 6 Ti 0.040 97.2