Statistics – Page 135 – William M. Briggs

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

Review! We left off with comparing the standard, out-of-the-box linear regression with our multinomial predictive observable model. The great weaknesses of the regression were probability leakage (giving positive probability to…

Class Statistics

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

Review! Last time we created four models of CGPA. Which is correct? They all are. Why? I should ask as a homework question, but I'll remind us here. Since all…

Culture Statistics

Pew’s New Survey on Religious Groups Views on Abortion

Stream: Pew's New Survey on Religious Groups Views on Abortion According to a new survey by Pew Research, Unitarian Universalists are the strongest proponents of legal abortion, and Jehovah's Witnesses…

Class Statistics

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…

Johnno on Why The Drake Equation FailsJanuary 1, 2026
The Drake Equation, like Da Theory of da Evolution, and Relativity Math-a-Magics with Time-pretzel-balloons, all exist to keep Atheism afloat…
Johnno on How Did We Do In Our 2025 Predictions?December 31, 2025
I was right about the right! Conservative estimating does work! Always aim for mediocrity! The formula for success! Or at…
John Pate on Why The Drake Equation FailsDecember 31, 2025
Seems to me the obvious reason for the state of the world as we see it is that aliens are…
Zundfolge on How Did We Do In Our 2025 Predictions?December 31, 2025
Wow, I have never been as far off as I was this last year. I'll have to give some thought…
Chaeremon on Why The Drake Equation FailsDecember 31, 2025
even when figures relate to observations, mathematics can only help with finding errors in equations -- against measured data. so,…