Sentiment analysis is a hot technology in marketing. This analysis parses comments and feedback left on corporate and social media sites and attempts to discern the tone or attitude expressed by the commenter. For example, reviews and comments about a company’s product such as “I love these shoes” represent a strong positive statement about how the customer feels about that product. The challenge is that the comments are just free-form text in English which computers traditionally had a hard time deciphering. M&S Big Data thought it would be interesting to apply this sentiment analysis to our Presidents. As a start … Read More