# Section 4: Linear Regression (3-4 of 4)

**References:
**
-  [An Introduction to Statistical Learning](https://www.statlearning.com/)  (Download free pdf)
-  [Jason Brownlee's Notes on Elastic Net Regression](https://machinelearningmastery.com/elastic-net-regression-in-python/)
-  [Jose Portilla's 2021 Python for Machine Learning & Data Science Masterclass](https://www.udemy.com/course/python-for-machine-learning-data-science-masterclass/) 


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