基于高斯过程回归的锈蚀RC梁抗剪承载力概率模型

王冲,戴理朝,陈斌

Probabilistic model for shear capacity of corroded RC beams based on Gaussian process regression

Chong WANG,Lizhao DAI,Bin CHEN

表 4 不同模型的预测指标对比表

Tab.4 Comparison of predictive indicator of different model

模型 训练集 测试集 R2 RMSE MAE R2 RMSE MAE RF 0.978 14.101 8.311 0.916 20.813 12.765 Xgboost 0.994 7.359 4.833 0.944 16.952 11.859 MLP 0.986 11.658 7.073 0.944 17.080 11.451 GPR 0.987 10.938 7.004 0.947 16.632 11.462 文献[2]模型 0.780 47.460 24.540 0.577 47.897 35.182 文献[3]模型 0.874 34.700 28.420 0.844 28.482 23.882 文献[7]模型 0.642 66.121 53.210 0.430 62.023 52.141