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Class 68: The Philosophy Of Models (Regression): The WRONG Way
Posted inStatistics

Class 68: The Philosophy Of Models (Regression): The WRONG Way

Be sure to review the RIGHT way from last week. Today, of the infinite number of ways to go sour, we look at one common way modeling goes awry. Video…
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Class 67: The Philosophy Of Models (Regression): The Right Way
Posted inStatistics

Class 67: The Philosophy Of Models (Regression): The Right Way

If you cite, enjoy, or create "research" or "studies", this post is a must. I've eschewed all math (given next time in The Wrong Way) and focused entirely on the…
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How To Do Predictive Statistics: Part IX Stan — Logistic & Beta Regression
Posted inClass Statistics

How To Do Predictive Statistics: Part IX Stan — Logistic & Beta Regression

Review! We're doing logistic and beta regression this time. These aren't far apart, because the observable for both lives between 0 and 1; for logistic it is 0 or 1;…
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How To Do Predictive Statistics: Part VII New (Free) Software Tobit Regression
Posted inClass Statistics

How To Do Predictive Statistics: Part VII New (Free) Software Tobit Regression

Previous post in the series (or click above on Class). REVIEW! Download the code: mcmc.pred.R, mcmc.pred.examples.R. If you downloaded before, download again. This is version 0.3! Only the example code…
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How To Do Predictive Statistics: Part VI New (Free) Software Poisson Regression
Posted inClass Statistics

How To Do Predictive Statistics: Part VI New (Free) Software Poisson Regression

Previous post in the series (or click above on Class). REVIEW! Download the code: mcmc.pred.R, mcmc.pred.examples.R. If you downloaded before, download again. This is version 0.22! Only the example code…
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Posted inClass Statistics

How To Do Predictive Statistics: Part V New (Free) Software Multinomial Regression

Previous post in the series (or click above on Class). REVIEW! Download the code: mcmc.pred.R, mcmc.pred.examples.R. If you downloaded before, download again. This is version 0.22! Only the example code…
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How To Do Predictive Statistics: Part IV New (Free) Software Logistic Regression
Posted inClass Statistics

How To Do Predictive Statistics: Part IV New (Free) Software Logistic Regression

Previous post in the series (or click above on Class). Download the code: mcmc.pred.R, mcmc.pred.examples.R. If you downloaded before, download again. This is version 0.21! Only the example code changed…
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How To Do Predictive Statistics: Part III New (Free) Software Regression 2
Posted inClass Statistics

How To Do Predictive Statistics: Part III New (Free) Software Regression 2

Mandatory! Read Part I, Part II. I will ignore all comments already answered in Parts I & II. Download the code: mcmc.pred.R, mcmc.pred.examples.R. If you downloaded before, download again. This…
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  1. Brian (bulaoren) on All Models Only Say What They Are Told To Say, And AI Is A ModelMarch 27, 2026

    Logic, empiricism, wisdom... These solvents are without impact for people who have, so often, survived them. I believe this is…

  2. spetzer86 on All Models Only Say What They Are Told To Say, And AI Is A ModelMarch 27, 2026

    It's interesting that the commenters using AI prove the point that the use of a model yielding apparently random results…

  3. JH on All Models Only Say What They Are Told To Say, And AI Is A ModelMarch 27, 2026

    When brilliant minds join forces with advanced computers that execute tasks with precision and speed by following instructions, they achieve…

  4. fergus on All Models Only Say What They Are Told To Say, And AI Is A ModelMarch 27, 2026

    Post script. Looks like you are hiding well, for now, from the AI in the sky. I asked it if…

  5. fergus on All Models Only Say What They Are Told To Say, And AI Is A ModelMarch 27, 2026

    Did not read the article, just copy/pasted the number list to ChatGPT and it got right back with: Yes —…

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