Statistics – Page 150 – William M. Briggs

Free Probability-Statistics Class: Predictive Case Study 1, Part IX

Review! Last time we successfully computed our model (8): (8) Pr(CGPA = i | guesses of new measures, grading rules, old obs, model), where i = 0,...,5. The model…

Statistics

Another Proof of the Uselessness of P-values

Susan Holmes has done us a service by writing clearly the philosophy of the p-value in her new paper "Statistical Proof? The Problem of Irreproducibility" in the Bulletin of the…

Statistics

Pay More Taxes And Live Longer. Wee P-value Alert!

It's bottom-of-the-barrel trolling to cite anything from Daily Kos, but this one is particularly asinine and worth showing to demonstrate the futility of p-values. Thanks to Al Perrella for the…

Class Statistics

Free Data Science Class: Predictive Case Study 1, Part VIII

Review! We're continuing with the CGPA example. The data is on line, and of unknown origin, but good enough to use as an example. We will build a correlational model,…

Statistics

Similarities Between ESP, Cold Fusion & Global Warming

Stream: Similarities Between ESP, Cold Fusion & Global Warming At the climate website No Tricks Zone, there is a picture of various estimates of CO2 climate sensitivity estimates. These are…

Philosophy Statistics

Falsifiability Is Falsifiable

We've talked many times before, and at greater length in Uncertanity, about the concept of falsifiability. It has come up again lately. The term shouldn't be but is equivocal. I…

Class Statistics

Free Data Science Class: Predictive Case Study 1, Part VII

Review! This is our last week of theory. Next week the practical side begins in earnest. However much fun that will be, and it will be a jolly time, this…

Statistics

Real Versus Fake Fake News: Update

Stream: Real Versus Fake Fake News On the last day of bad old year, Lake Superior State University released its 43rd annual List of Words Banished from the Queen's English…

JH on PFAS and Preservatives: Entrenching Chemophobia through Everyday Stuff — Guest Post by Jaap HanekampSeptember 16, 2026
The alternative to preserved clay is, sooner rather than later, mouldy clay… Does this mean to create fear? There are…
Cary Cotterman on PFAS and Preservatives: Entrenching Chemophobia through Everyday Stuff — Guest Post by Jaap HanekampSeptember 16, 2026
Growing up in the late 1950s, I played with modeling clay almost every day. Who knows, back then it was…
Phil R on PFAS and Preservatives: Entrenching Chemophobia through Everyday Stuff — Guest Post by Jaap HanekampSeptember 16, 2026
I'm no expert but I think it's a little over the top comparing PFAS with Agent Orange. PFAS, for the…
Tars Tarkas on PFAS and Preservatives: Entrenching Chemophobia through Everyday Stuff — Guest Post by Jaap HanekampSeptember 16, 2026
None of this should change the fact that chemical companies like 3M actively covered up the PFAS problem in the…
Ray on Politicians Demand “Right” To Be Protected Against AISeptember 16, 2026
As far as I can tell, AI is nothing but a computer with a big data base and some fancy…