Cosine similarity: Calculation of the cosine of the angle between two vectors to compare orientation. In practice it’s often used to determine how closely related two text documents are to each other.
Another thought process about the IDF will be that it establishes a scoring system for the usefulness of a given term – higher scores mean more information is present. In short, inverse document rate of recurrence describes how distinctive a term is across the assortment of documents. As we are not dealing with the original…