Author Archives: chrisdanforth

Chaos in an Experimental Toy Climate

In the 1960’s, MIT meteorologist Edward Lorenz was investigating the effects of nonlinearity on short-term weather prediction in a model of convection. In his ground-breaking paper “Deterministic Nonperiodic Flow,” Lorenz showed that numerical solutions of the model exhibit sensitive dependence … Continue reading

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Hedonometrics

Our paper “Temporal Patterns of Happiness and Information in a Global Social Network: Hedonometrics and Twitter” appears in PLoS ONE this week. Their blog encourages you to tweet for the sake of science! Among other findings, in this paper we demonstrate that … Continue reading

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The Happiest Distribution

Do you laugh within your tweets? e.g. hahaha!!!  Here we show the number of times these different laugh species appear in tweets as a function of how many ha‘s they contain.  A few observations: Longer laughs are less frequent, and the frequency … Continue reading

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Happy and we know it

Science Magazine published a piece today framing twitter as a laboratory for research, Social Scientists Wade Into The Tweet Stream, including the above figure showing our hedonometer’s measure of happiness in 2011 as a function of day. Dodds was also … Continue reading

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Tweet Cartography

Six months of geo-located messages from Twitter’s gardenhose feed, roughly 20 million.  World, US, and NYC twitterific projections. PDF versions available here. Made possible by data ninjas Kameron Harris and Morgan Frank.

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Ooblexity

Vibrating cornstarch and water in slow motion, narration by xtranormal. A google search for ‘ooblexity’ returns “Did you mean: complexity?”  Maybe I did. More info on the experiment, and a 10 log-decade spread in material costs:

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