You fit two linear regression models for the same data, where the first one gives an RMSE value of 3.78, and the second returns a value of 6.33.
R-squared values in the train and test sets are as follows:
| Model | R-squared (on train set) | R-squared (on test set) |
| First Model | 0.85 | 0.61 |
| Second Model | 0.74 | 0.72 |
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