TO MANY people Big Data is less shiny than it was a year ago. After Hillary Clinton's defeat at the hands of Donald Trump, her vaunted analytics team took much of the blame for failing to spot warnings in the midwestern states that cost her the presidency. But according to research by Seth Stephens-Davidowitz, a former data scientist at Google, Mrs Clinton's real mistake was not to rely too much on newfangled statistics, but rather too little.
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