Machine Learning, NLP, Word Embeddings, Artificial Intelligence, Text Similarity.
the logarithmically scaled inverse fraction of the documents that contain the word. Mathematically, idf(t,D) = log (N/dfi) , where N or |D| = Total Number of Document, and dfi = Number of document where the term t appears. TF-IDF(t, d, D) = tf(t,d) . idf(t,D) scikit-learn library provides easy