Data Science Prerequisites - Numpy, Matplotlib, and Pandas in Python - What Is a Feature Vector?

The video tutorial introduces vectors and feature vectors, explaining their significance in machine learning. It discusses different approaches to feature engineering, including using domain knowledge and mathematical techniques like polynomial expansion. The tutorial highlights the power of combining these methods and the role of deep learning in automatic feature extraction.

What is a polynomial expansion and how can it be used in feature engineering?

How do deep neural networks perform feature extraction?

What factors determine whether to use a hybrid approach in feature engineering?