Google Flu Trends gets it wrong three years running

Google may be a master at data wran­gling, but one of its prod­ucts has been making bogus data-​​​​driven pre­dic­tions. A study of Google’s much-​​​​hyped flu tracker has con­sis­tently over­es­ti­mated flu cases in […]

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Five fascinating things revealed by Twitter data

4. Map­ping America’s emo­tional state Psy­chi­a­trists aren’t run­ning machine learning on their patients’ Twitter pro­files – yet. But large vol­umes of tweets can be used to make asser­tions about the […]

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Twitter reveals the happiest spots in New York

There were tem­poral trends too. “The sad­dest was Hunter Col­lege High School,” says Bar-​​​​Yam. “It turns out that we col­lected data just after they came back from vaca­tion.” Alan Mislove of […]

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