An Introduction to Statistical Learning: With Applications in R, Gareth James, Daniela Witten, Trevor Hastie, and Robert Tibshirani, 2013 (Springer)DOI: 10.1007/978-1-4614-7138-7 - Explains the statistical basis and interpretation of regression evaluation metrics like MSE, RMSE, and R-squared, offering foundational knowledge relevant to understanding metric implications.
Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow, Aurélien Géron, 2022 (O'Reilly Media) - Offers practical examples of implementing machine learning models and evaluating them using Scikit-learn, including how to calculate and interpret regression metrics in a hands-on context.