Have We Gotten Any Happier Over 200 Years? Researchers Analyzed Millions Of Books To Find Out

“But we should take the new sentiment analysis study with a grain of salt” writes Dylan Scott for But we should be very cautious about using sentiment analysis as a guide to policymaking.By applying sentiment analysis to people’s Twitter and Facebook posts, researchers have worked on predicting everything from stock market trends to seasonal mood variations to depression in patients.Over the past few years, sentiment analysis has been embraced by for-profit companies, social scientists, journalists, and many others who want quantitative tools to help them parse the changing moods of a population.

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