Principle Components Analysis (PCA): Essence and Case Study with Python

Data is the fuel of big data era, and we can get insightful information from data. However, tons of data in a high number of dimensions may cover valuable knowledge. Therefore, data mining and feature engineering become essential skills to uncover valuable information underneath the data.

1. What is PCA

For the dimensionality reduction, Principle Component Analysis (PCA) is the most popular algorithm. PCA is an algorithm encoding the original features into a compact…