Read Part II : Download the Quirk’s article. Predictive statistics differs from classical (frequentist and Bayesian) practices because it focuses on observables and not metaphysical entities. Observables are the data…

Read Part I : Download the Quirk’s article. To understand why ordinary regression assumptions are bad, we need to look at some (new data) scenarios. Suppose that Bob had a…

According to the stunning New York Times headline, which quoted climatologist Phil Jones, there has been no "statistically significant" global warming in the past 15 years. Just kidding! The Times…

Thanks to readers Ari Schwartz and Tom Pollard for suggesting this article. Take any two sets of numbers, where the only restriction is that a reasonable chunk inside each set…

This article is nothing but an extended link to a must-read piece in City Journal. Internet still once daily. Thanks to reader I. for suggesting this topic. If you haven't…

A standard epidemiological study goes like this: people who have been "exposed" to some thing, say, cell phone radiation, are examined to discover whether or not they have some malady.…