I’ve just read about The Second Term Curse which supposedly besets (of course) second-term presidents. There is also the infamous … Continue Reading Regression To The Mean (And Performance Curses) Simply Explained
Saw this tweet this fine morning: Regression & Causation in Econometrics Textbooks – Dave Giles http://t.co/RaenETSW — Mark Thoma (@MarkThoma) December 6, 2012 and downloaded the paper at the landing site, co-authored by Judea Pearl, he of Causality fame (a … Continue Reading What Does The Regression Equation Mean? Causality? Something Else?
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 classical methods. This is a real example, using real data, … Continue Reading Regression Examples. Normal Distributions Often Stink. Ithaca Teaching Journal, Day 10
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 is an extension of them. This post will only be … Continue Reading Picking X’s In Regression. The Role Of Relevance. Ithaca Teaching Journal, Day 9