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Shanghai's Stock Market is Collapsing. Do Chinese People Care?

CHENGDU — The Shanghai stock market has been one wild ride for the last few months. The world has watched as stocks soared for months before a precipitous plunge in recent weeks. Millions of “novice investors” got involved in the markets when prices dramatically increased last year, the Associated Press reported.So what do normal Chinese people think about the roller […]

Big data, same statistical challenges – FlowingData

Tim Harford for Financial Times on big data and how the same problems for small data still apply:The multiple-comparisons problem arises when a researcher looks at many possible patterns. Consider a randomised trial in which vitamins are given to some primary schoolchildren and placebos are given to others. Do the vitamins work? That all depends on what we mean by […]