Class – Page 7 – 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…

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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…

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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,…

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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…

Class Statistics

Cliodynamics And The Lack Of A Hari Seldon

There will be no Hari Seldon. But there will be prophets. If there is no Seldon, there will be no psychohistory, the fictional astonishingly accurate mathematical science predicting gross human…

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

Review! This class is neither frequentist nor Bayesian nor machine learning in theory. It is pure probability, and unlike any other class available. And for the right price! Last time…

Class Statistics

What Is The Probability Of COVFEFE?

From a tweet from Taleb, who informs us the following question is part of the Indian Statistical Institute examination. (5) Mr.Trump decides to post a random message on Facebook and…

Brian (bulaoren) on Lacent’s Vaccination Model Says What Its Told To SaySeptember 17, 2025
I just thunk up a term to describe this scientiststic strain of thought (hmm, is that one pun or two?);…
Rex8or Legitimax Prime on Chinese Scientists Pull Off Hilarious “Climate Change” Troll?September 17, 2025
They didn't include the red meat is bad thing, they need to try harder, 7/10.
Rex8or Legitimax Prime on Chinese Scientists Pull Off Hilarious “Climate Change” Troll?September 17, 2025
They got the temperature increase, sugar is bad and disadvantaged affected disproportionately things in but there's no red meat kills…
Cookie on The Various Solutions To Black Crime AnalyzedSeptember 17, 2025
The cure for recidivism has always been hanging.
C-Marie on On The Myths Of ScientismSeptember 16, 2025
Great information!! Great comments!! Thank you! Peace, peace, Jesus alone is the Way, the Truth, and the Life. He has…