Temporal patterns of happiness and information in a global social network: Hedonometrics and Twitter

Details Temporal patterns of happiness and information in a global social network: Hedonometrics and Twitter Temporal patterns of happiness and information in a global social network: Hedonometrics and Twitter

2011-01-26

arxiv.org/abs/1101.5120v5

PLoS ONE, Vol 6(2): e26752, 2011

Physics

Physics and Society

27 pages, 17 figures, 3 tables. Supplementary Information: 1 table, 52 figures

Scientific paper

10.1371/journal.pone.0026752

Individual happiness is a fundamental societal metric. Normally measured through self-report, happiness has often been indirectly characterized and overshadowed by more readily quantifiable economic indicators such as gross domestic product. Here, we examine expressions made on the online, global microblog and social networking service Twitter, uncovering and explaining temporal variations in happiness and information levels over timescales ranging from hours to years. Our data set comprises over 46 billion words contained in nearly 4.6 billion expressions posted over a 33 month span by over 63 million unique users. In measuring happiness, we use a real-time, remote-sensing, non-invasive, text-based approach---a kind of hedonometer. In building our metric, made available with this paper, we conducted a survey to obtain happiness evaluations of over 10,000 individual words, representing a tenfold size improvement over similar existing word sets. Rather than being ad hoc, our word list is chosen solely by frequency of usage and we show how a highly robust metric can be constructed and defended.

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