All p-values are not created equal, nor equally. Use one inappropriately, and you can land in jail. Just like Scott "Baron" (I'm guessing) Harkonen, former CEO of InterMune, a company…

Two Weeks Beginning tomorrow, and lasting a semisolid two weeks, will be my class at Cornell. A Masters "How To" in statistics, directed towards MBA-like personages. An impossible task. No…

First, and most strongly, probability need not have anything to do with data. For example, we can compute a value for the probability that "Matt wears a hat" given the…

There are a subset of professional statisticians---defined as folks who have had formal training in the field given to them by other professionals---who feel that the field of statistics is…

Be sure to first read Statistical Significance Does Not Mean What You Think. Climate Temperature Trends then Regression Is Not What You Think. Climate And Other Examples, as this post…

Today, just one example, and the simplest kind, to show you that using regular regression, with its assumptions of "normality", can quickly lead to absurdities---absurdities which will pass unnoticed using…