基于PSO-XGBoost的露天矿山PPV预测模型研究 |
李振阳,张宝岗,熊信,杨承业,白玉奇 |
Research on PPV Prediction Model of Open-pit Mine Based on PSO-XGBoost |
Zhenyang LI,Baogang ZHANG,Xin XIONG,Chengye YANG,Yuqi BAI |
图4 数据集相关性矩阵分析 |
Fig.4 Correlation matrix analysis of data set |