References:

<ul>
<li><a target="_blank" href="https://www.statlearning.com/">An Introduction to Statistical Learning</a> (Download free pdf)</li>
<li><a target="_blank" href="https://www.udemy.com/course/python-for-machine-learning-data-science-masterclass/">Jose Portilla's 2021 Python for Machine Learning &amp; Data Science Masterclass</a></li>
</ul>
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1633373463568/mR9ok7IHm.png" alt="21_ml_15_3Oct21.png" />

**References:
**
- [An Introduction to Statistical Learning](https://www.statlearning.com/)  (Download free pdf)
- [Jose Portilla's 2021 Python for Machine Learning & Data Science Masterclass](https://www.udemy.com/course/python-for-machine-learning-data-science-masterclass/)

![21_ml_15_3Oct21.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1633373463568/mR9ok7IHm.png)



Section 15: Principal Component Analysis (PCA)