模型集群分析策略联合ELM的土壤重金属Pb含量预测

肖烨辉, 宋妮迪, 孟盼盼, 王培俊, 范胜龙

Prediction of lead content in soil based on model population analysis coupled with ELM algorithm

XIAO Yehui, SONG Nidi, MENG Panpan, WANG Peijun, FAN Shenglong

表2 基于PLSR模型的不同预处理方法

Tab.2 Different pre-processing methods based on PLSR models

预处理 方法 建模集 验证集 R2 RMSE R2 RMSE RPD RPIQ None 0.659 8.580 0.703 5.807 1.846 2.392 WT1 0.659 8.583 0.714 5.655 1.896 2.456 WT2 0.658 8.589 0.714 5.654 1.896 2.457 WT3 0.658 8.598 0.714 5.651 1.897 2.458 WT4 0.657 8.611 0.714 5.655 1.896 2.456 WT5 0.656 8.623 0.717 5.625 1.906 2.469 WT6 0.670 8.439 0.703 5.759 1.862 2.412 WT7 0.665 8.502 0.736 5.426 1.976 2.560 WT8 0.664 8.524 0.681 6.018 1.781 2.308 SG 0.667 8.458 0.723 5.604 1.913 2.479 GF 0.660 8.564 0.718 5.615 1.909 2.474 MSC 0.659 8.582 0.702 5.818 1.843 2.387