Raspberry Pi 3 Cookbook for Python Programmers - Third Edition

Building a bag-of-words model

When working with text documents that include large words, we need to switch them to several types of arithmetic depictions. We need to formulate them to be suitable for machine learning algorithms. These algorithms require arithmetical information so that they can examine the data and provide significant details. The bag-of-words procedure helps us to achieve this. Bag-of-words creates a text model that discovers vocabulary using all the words in the document. Later, it creates the models for every text by constructing a histogram of all the words in the text.