Adaboost集成学习优化的巷道围岩松动圈预测研究

方博扬,赵国彦,马举,陈立强,简筝

Prediction Study on Loosening Ring of Surrounding Rock Around Roadways Using the Optimized Ensemble Learning Algorithms Based on Adaboost

Boyang FANG,Guoyan ZHAO,Ju MA,Liqiang CHEN,Zheng JIAN

表2 不同预测模型评价指标对比（测试集）

Table 2 Comparison of evaluation indexes for different prediciton models（testing set）

模型 误差 MSE R2 MAE/% BPNN - 0.01527 0.923 9.83 BP_Ada 0.50 0. 01376 0.931 8.05 BP_Ada 0.60 0.01273 0.936 7.65 SVM - 0.01412 0.928 10.81 SVM_Ada 0.50 0.01344 0.932 10.29 SVM_Ada 0.59 0.01318 0.933 9.58 RF - 0.02325 0.882 15.36 RF_Ada 0.33 0.02473 0.877 15.13 RF_Ada 0.50 0.02473 0.877 15.13