
Big Data+Small Bias
Among experts it’s well understood that “big data” doesn’t solve problems of bias. But how much should one trust an estimate from a big but possibly biased data set compared to a much smaller random sample? In Statistical paradises and paradoxes in big data, XiaoLi Meng provides some answers which are shocking, even to experts. […] The post Big Data+Small Bias << Small Data+Zero Bias appeared first on Marginal REVOLUTION.