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Numbers lie all the time: How political polls work - TechRepublic

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Joey: You don't know what these numbers told you. I'm an expert, and I don't know what these numbers just told you. Josh: Numbers don't lie. Joey: They lie all the time. Numbers lie all the time. Yet the business of numbers is big business. Big data helps companies make better decisions by extracting key insights from piles of information. Polling does the same for politics. And like big data for business, though results can be ambiguous and notoriously hard to interpret, polls are essent...
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Projections Before the Polls Close: What Could Possibly Go Wrong? - The New York Times

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Publication Date: 2016-11-08
In the history of the Obama campaign’s storied analytics operation, the effort to model the results live on Election Day, before the votes were tallied, was undoubtedly a low point. “That was the worst 12 hours of my life,” said David Shor, a senior data scientist at Civis Analytics who was in the “Cave” — the Obama analytics boiler room — on Election Day of 2012. By late morning, some in the Obama team concluded that President Obama was losing Ohio. This year, Election Day could be the wor...

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