Understanding TF-IDF: A Traditional Approach to Feature Extraction in NLP

Learn the fundamentals of TF-IDF and how to implement it from scratch in Python

Raymond Cheng
Towards Data Science
9 min readMar 30, 2023

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Photo by Aaron Burden on Unsplash

Introduction

Feature extraction is an important initial step in NLP, which involves transforming textual data into a mathematical representation, often in the form of vectors…

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Master’s Student at Carnegie Mellon, Top Writer in AI, Top 1000 Writer, Blogging on ML | Data Science | NLP. Linkedin: https://www.linkedin.com/in/itsuncheng/