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May 27 at 22:36 comment added Erfan Mollai Thank you very much. Honestly, R2 in the test and training set are close to each other, and in fact, both are 0.99, which shows that there is no overfit, but in some models, such as xgboost or decision tree regression, there is a huge difference between the RMSE metrics. , MSE, MAE gives the test and training set, which indicates overfit
May 27 at 2:45 history answered eliangius CC BY-SA 4.0