Search Results for “p-values” – Page 5

Everything Wrong With P-Values Under One Roof

Update 8 January 2019. This post has been superseded! There is an official paper of this material, greatly expanded and vetted. SEE THIS NEW POST. THE NEW PAPER: Here is…

Statistics

How To Mislead With P-values: Logistic Regression Example

Today's evidence is not new; is, in fact, well known. Well, make that just plain known. It's learned and then forgotten, dismissed. Everybody knows about these kinds of mistakes, but…

Statistics

Drug Companies Tweaking Results To Produce Publishable P-values?

A person who Nature is calling a "whistle blower" has written a brief confessional in the British Medical Journal admitting to what might be termed statistical fiddling at a "major"…

Philosophy Statistics

Another Reason To Abandon P-values; Or Another Way To Cheat

If you're a scientist, soft or hard, who routinely uses statistics, it's likely that your funding, and therefore your career, the very wellness of your being hinges on discovering statistically…

Statistics

Epidemiology, Causality, And P-Values: Part II

Be sure to read yesterday's post first. One of the screwy consequences of classical statistics is that my odd sample (mixing babies and the patients from the brain cancer ward)…

Statistics

Epidemiology, Causality, And P-Values: Part I

A standard epidemiological study goes like this: people who have been "exposed" to some thing, say, cell phone radiation, are examined to discover whether or not they have some malady.…

Statistics

FDA Goes Bayes: It Should Have Gone Probability

The FDA should have gone probability. But they came close. They went Bayes. So announced FDA boss Marty Makar last week. Here's the document "Use of Bayesian Methodology in Clinical…

Statistics

Class 74: Contra Effect Sizes

Thanks to whoever sent the Dice (there was no note or name attached). They work! Some are recognizing testing is flawed, but they seek refuge in "effect sizes", which is…

Neil Jordan on Class 79: Time Series ExampleFebruary 20, 2026
Does the passage of time cause ice, or does ice cause the passage of time? Mystical statistical court of appeals…
Johnno on The Importance Of Not Making DecisionsFebruary 19, 2026
But Briggs... we pay people to make decisions on our behalf... Government exists, and it MUST do SOMETHING!!! What are…
Johnno on AI Is Driving Many Crazy: Our Latest PanicFebruary 19, 2026
BRIGGS YOU FOOL OF ARTIFICIALITY! Aye Eye exists for one reason and ONE REASON ONLY! To INCREASE Shareholder Value! If…
JH on The Importance Of Not Making DecisionsFebruary 19, 2026
Maybe you mean “knowledge” instead of “belief.” When my daughter was in ninth grade, I asked her about evidence for…
gareth on AI Is Driving Many Crazy: Our Latest PanicFebruary 19, 2026
Yes "AI" is just computer models. Better - in the sense of more competent in tasks than before. This does…