Principal Component Analysis - PCA

https://colab.research.google.com/drive/1kOoYBExPjhX2RzCMWshk3j2zbJeApgcy?usp=sharing

https://colab.research.google.com/drive/1oMN_DjNITnX68XrjoJxMYGdJqetYZGZv?usp=sharing