Heartland conference: day 2

In the morning, there were enormous piles of bacon, which is, as all competent doctor's should recommend, the best way to start a day. Robert Balling of Arizona State gave…

Afternoon at GISS

Tim Hall at the Goddard Institute for Space Studies invited me to give a seminar on statistical hurricane modeling. A link to my presentation is below. Tim, with Stephen Jewson,…

You cannot measure a mean

I often say---it is even the main theme of this blog---that people are too certain. This is especially true when people report results from classical statistics, or use classical methods…

Homework #1: Answer part II

In part I, we learned that all surveys, and in fact all statistical models, are valid only conditionally on some population (or information). We went into nauseating detail of the…