Sarracino, Francesco; Greyling, Talita; O'Connor, Kelsey J. - 2021
National Happiness (GNH), a country-level index built applying sentiment analysis to data from Twitter. We aim to describe how … the data sourced from Twitter, we exploit various survey data sources, such as the Eurobarometer and consumer satisfaction …, and Big Data sources, such as Google Trends. Results indicate that sentiment analysis of tweets can provide reliable and …