Results of cross-validation 'randomForest / XGBoost / Ensembe': Variable: YA Model: mrf RMSE: 1598.685 R2: 0.124 Model: mgb RMSE: 1105.708 R2: 0.443 Model: ens RMSE: 1180.26 R2: 0.366Results of cross-validation 'randomForest / XGBoost / Ensembe': Variable: YW Model: mrf RMSE: 895.953 R2: 0.247 Model: mgb RMSE: 880.102 R2: 0.02 Model: ens RMSE: 857.655 R2: 0Results of cross-validation 'randomForest / XGBoost / Ensembe': Variable: YW_SD Model: mrf RMSE: 848.922 R2: 0.273 Model: mgb RMSE: 831.55 R2: 0 Model: ens RMSE: 825.144 R2: 0.027