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…

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…

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,…

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…

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…

Class Statistics

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…

Johnno on On The Cult Of The Victim & Why We Must Reject ItAugust 18, 2025
Briggs, you've neglected to mention the final solution to the victim oppressor problem... Baptism. Get baptized! And watch as all…
Tars Tarkas on On The Cult Of The Victim & Why We Must Reject ItAugust 18, 2025
It's so much worse than you say. Take the Holocaust for example. We Americans are blood libeled for it, despite…
Michael Dowd on On The Cult Of The Victim & Why We Must Reject ItAugust 18, 2025
True Christians when victimized for their beliefs accept this as a positive thing, an opportunity to imitate Christ, the ultimate…
gareth on Class 61: Does This Guy Have ESP? IIAugust 16, 2025
Errr... Calculating the probability of what we did see should be = 100% So why calculate it? (Enquiring minds, etc.)
Johnno on Funding Increases To Foster Even More Cheating In ScienceAugust 14, 2025
Briggs you fool... what you so outdatingly call cheating, I prefer to see as a more progressive healthy open relationship…