When dealing with high dimensional data (known as The Curse of Dimensionality), it is often useful to reduce the data size for efficient computation. One such method, also very popular method, is Principal Component Analysis.

When I started learning about data mining (2021), it confused me. Maybe because I jumped straight into classifcations. There are so many different approaches for data science and I could not quite picture what I am doing. What helps me is structuring the flow..