In this episode we break down TF-IDF in NLP, line by line. You will learn what Term Frequency and Inverse Document Frequency are, how they combine to score words, and how to implement TF-IDF in Python using scikit-learn.
What you will learn:
What TF-IDF is and why it improves on Bag of Words
Term Frequency explained
Inverse Document Frequency explained
How TF and IDF combine into a single score
Implementing TF-IDF with scikit-learn
Using TF-IDF for text classification
Limitations of TF-IDF
Next up: N-grams
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TF-IDF Explained Line by Line | Natural Language Processing — Foundations #07 | NatokHD