Mar 17, 2020
3 min read
Understanding Calculation of TF-IDF by Example
TF-IDF (term frequency-inverse document frequency) is a statistical measure that evaluates how relevant a word is to a document in a collection of documents.
It plays an important role in information retrieval and text mining.
A survey conducted in 2015 shows that 83% of text-based recommender systems in digital libraries use TF–IDF.
