. 2023 Jun 12;8(25):23024–23031. doi: 10.1021/acsomega.3c02195

Table 5. Train_RMSE, Train_R², Test_RMSE, and Test_R² of Various Machine Learning Models.

model	Train_RMSE	Train_R²	Test_RMSE	Test_R²
GBDT	0.231	0.992	0.001	1.000
lasso	2.368	0.169	0.956	0.204
KNN	2.378	0.162	0.771	0.483

Table 5. Train_RMSE, Train_R2, Test_RMSE, and Test_R2 of Various Machine Learning Models.