基于Boosting-决策树C5.0的岩体结构面粗糙度预测

苗发盛,吴益平,李麟玮,廖康,薛阳

Prediction of joint roughness coefficient of rock mass based on Boosting-decision tree C5.0

Fa-sheng MIAO,Yi-ping WU,Lin-wei LI,Kang LIAO,Yang XUE

表 1 各模型预测结果对比

Tab.1 Comparison of prediction results of each model

模型 R2 /% E1 /% Ea MSE RMSE Boosting-DT C5.0 95.19 100 0.06 0.186 0.432 DT C5.0 92.27 100 0.51 0.481 0.694 CHAID DT 93.62 100 0.24 0.328 0.573 SVM 94.10 100 0.28 0.280 0.529 ANN 89.94 75 0.38 0.815 0.903