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| + | founder of Beagle Research Group. Statisticians have been collecting "highly reliable" baseball data for more than a century,cheap real jordans, while polling data is more squishy, he said. < p> | ||
| + | <p> All data analysis depends "on good,amassdenver, clean, and valid data, and for that reason, should only be applied in its pure form outside of baseball with care," he wrote in a research note Wednesday. "Without care, you revert to the old IT maxim of GIGO, or 'garbage in,cheap retro jordans, garbage out.'" < p> | ||
| + | <p> Polls aren't really big data, added Nik Rouda,cheap jordans free shipping, senior analyst at the Enterprise Strategy Group.? "The sample sizes were certainly good enough for a poll, but maybe didn’t meet the definitions around volumes of data,cheap real jordans, variety of data, [and] historical depth contrasted against real-time immediacy, machine learning, and other advanced analytics," he said by email. "If anything, I’d argue that more application of big data techniques would have given a better forecast." < p> | ||
| + | <p> While both presidential teams relied on voter profiles, more robust profiles and "analyzing cohorts by behavior would have shown a clear picture," Rouda said. "This was a failure of the traditional approach,cheap air jordan shoes, not a failure of math or failure of big data." < p> | ||
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| + | <p> There may be more room for prediction shops to combine polling with social media, he suggested. Number crunchers could have looked more at subtle financial indicators, he said. < p> | ||
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