Computational Physics, Python, Linear Algebra, Svd, Code.
Frequency is a way to normalize term counts by taking into account how often they appear in a document, how long the document is and how common/rare they are in a document. vectorizer_tfidf = TfidfVectorizer(stop_words='english') vectors_tfidf = vectorizer_tfidf.fit_transform(newsgroups_train.data)