What is Sentiment Analysis?

What is Sentiment Analysis?
Sentiment analysis is a marketing term that refers to the use of natural language processing, text analysis, computational linguistics and biometrics to systematically identify, extract, quantify, and study affective states and subjective information.

What is Sentiment Analysis Used for?
Sentiment analysis uses natural language processing and machine learning to interpret and classify emotions in subjective data. Sentiment analysis is often used in business to detect sentiment in social data, gauge brand reputation and understand customers.