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.
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.