Chapter 5. Sentiment Analysis

So far, we have explored some really cool applications in the analytics domain. In this chapter, we will explore the famous Natural Language Processing (NLP) technique, which you may have already guessed because of the name of the chapter. Absolutely right; we will build a sentiment analysis-based application. In general, everyone is familiar with sentiment analysis-based applications. If you aren't, then don't worry. We will discuss and understand all the necessary details.

First of all, I want to give you a basic idea about sentiment analysis. I will provide an example so it will be easy for you to understand. Regardless of where we live, we all watch movies. Nowadays, we read reviews or others' opinions on various social media platforms. After that, if a majority of the opinions about the movie are good, then we watch that movie. If the opinions are not impressive, we might not watch the movie. So during this entire process, our mind analyzes these opinions...