Scientists Fed 1,700 Novels Into Their Computers And Boiled Down Our Literature Into Six Basic Story Arcs

“Their method is straightforward. The idea behind sentiment analysis is that words have a positive or negative emotional impact. So words can be a measure of the emotional valence of the text and how it changes from moment to moment. So measuring the shape of the story arc is simply a question of assessing the emotional polarity of a story at each instant and how it changes.”