Convenience Sampling and Mensa

Substack’s algorithm for figuring out what I like to read is still serving up some odd stuff, but this time it found a good article. In The Mensa Fallacy Emil Kirkegaard takes on Karpinski et al (2018) which claimed that high intelligence is a risk factor for both psychological and physiological disease. The claim in the paper is to a novel finding, but Kirkegaard cites a number of studies that would indicate problems with Karpinski’s arguments. ...

Dec 24, 2024 · 3 min · 498 words · D. Michael Senter

Sampling Regression Lines

Last week we saw how to generate posterior samples using PROC MCMC for simple linear and logistic regression models. This week, I want to show how to sample regression lines from the data set returned by MCMC by plotting several sample regression linse on top of a scatter plot of the source data. ...

May 8, 2023 · 3 min · 549 words · D. Michael Senter