2024-2025 Leisurely Cruise

Leisurely Cruise February 2025: power, shpower, positive predictive value

2025 Leisurely Cruise

The following is the February stop of our leisurely cruise (meeting 6 from my 2020 Seminar at the LSE). There was a guest speaker, Professor David Hand. Slides and videos are below. Ship StatInfasSt may head back to port or continue for an additional stop or two.

Leisurely Cruise February 25: Power, shpower, severity, positive predictive value (diagnostic model) & a Continuation of The Statistics Wars and Their Casualties

There will also be a guest speaker: Professor David Hand:
      “Trustworthiness of Statistical Analysis”

Reading:

SIST Excursion 5 Tour I (pp. 323-332; 338-344; 346-352),Tour II (pp. 353-6; 361-370), and Farewell Keepsake pp. 436-444

Recommended (if time) What Ever Happened to Bayesian Foundations (Excursion 6 Tour I) Continue reading

Categories: 2024-2025 Leisurely Cruise | Leave a comment

Leisurely cruise January 2025 (2nd stop): Excerpt from Excursion 4 Tour II: 4.4 “Do P-Values Exaggerate the Evidence?”

2024-25 Cruise

Our second stop in 2025 on the leisurely tour of SIST is Excursion 4 Tour II which you can read here. This criticism of statistical significance tests continues to be controversial, but it shouldn’t be. One should not suppose that quantities measuring different things ought to be equal. At the bottom you will see links to posts discussing this issue, each with a large number of comments. The comments from readers are of interest!

 

getting beyond…

Excerpt from Excursion 4 Tour II*

4.4 Do P-Values Exaggerate the Evidence?

“Significance levels overstate the evidence against the null hypothesis,” is a line you may often hear. Your first question is:

What do you mean by overstating the evidence against a hypothesis?

Several (honest) answers are possible. Here is one possibility: Continue reading

Categories: 2024-2025 Leisurely Cruise, frequentist/Bayesian, P-values | Leave a comment

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