When does more crime happen, in winter or summer? Why? Too easy. How about this one: according to the FBI, what was the violent crime rate over time? No need…

Don't Don't smooth your data and then use that smoothed data as input to other analysis. You will fool yourself. You will make over-confident decisions. It is the wrong thing…

Travel day today, so something light and airy---and incomplete. President Obama, presumably sacrificing a tee time, went to keyboard and typed these words: This is a big moment in the…

Word that the climate of doom we were promised (repeatedly) has not obtained has begun leaking out. Climatologists have known this for quite some time, but now even environmental activists…

It's a doozy, this error of ours. So ubiquitous is it that it's hardly noticeable. Yet it is sinking us into scientism and wild overconfidence. Every time it appears, both…