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 2 特征映射前、后的预测性能指标

Tab.2 Predictive performance metrics before and after feature mapping

映射方法 训练集 测试集 R2 RMSE MAE R2 RMSE MAE 原始特征 0.975 15.250 10.637 0.896 23.262 17.441 Johnson变换 0.996 5.857 3.497 0.195 64.601 29.330 标准化 0.991 9.198 5.406 0.917 20.689 12.404 Johnson变换标准化 0.989 10.159 6.378 0.936 18.218 12.661