torsdag 25 augusti 2016

Humans are the weak link in Big Data - STATISTICAL IGNORANCE

big-data-weak-link.jpg
Inherent in using Big Data are the tools we use to make sense of them: statistics.
From ZDNet
Inherent in using Big Data are the tools we use to make sense of them: statistics. Before the 2012 election, people claimed that Mitt Romney was ahead by "deskewing" poll results. There was widespread shock when the deskewed results were wrong.

There's a similar effort going on for this election, where Trump's dismal polls are dismissed by true believers because "look at his crowds!" The statistically illiterate often complain that a sample size of ≈1,000 can't possibly be accurate in a nation of 330 million.

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