Text Classification Tutorial with Naive Bayes

The challenge of text classification is to attach labels to bodies of text, e.g., tax document, medical form, etc. based on the text itself. For example, think of your spam folder in your email. How does your email provider know that a particular message is spam or "ham" (not spam)? We'll take a look at one natural language processing technique for text classification called Naive Bayes. Let's take a second to break this down. On the left, we have the probability of an event happening given that event happens.