What Is A CountVectorizer? CountVectorizer is a great tool provided by the scikit-learn library in Python. It is used to transform a given text into a vector on the basis of the frequency (count) of each word that occurs in the entire text. … The value of each cell is nothing but the count of
What Is TfidfVectorizer? TfidfVectorizer – Transforms text to feature vectors that can be used as input to estimator. vocabulary_ Is a dictionary that converts each token (word) to feature index in the matrix, each unique token gets a feature index. What is TfidfVectorizer in NLP? TfidfVectorizer is the base building block of many NLP pipelines.