Stan vs PyMC3 vs Bean Machine
I have been a light user of Stan and RStan for some time and while there are a lot of things I really like about the language (such as the awesome community you can turn to for support and ShinyStan for inspecting Stan output) there are also a few things that I find frustrating.
Last updated on Jan 14, 2022
11 min read
Estimating seroprevalence with data from an imperfect test on a convenience sample
Update Jan, 2022: Since this post was published in May 2020, Gelman and Carpenter (2020) have published a more comprehensive analysis on how to adjust for test imperfections using a Bayesian approach which goes beyond many of the ideas here.
Last updated on Jan 9, 2022
8 min read
An Alternative Approach to Power Calculations
The typical approach to power calculations goes something like this: first, the evaluator estimates the smallest MDE for which the intervention would be cost-effective. Second, the evaluator calculates the sample required to detect that MDE.
Last updated on Dec 10, 2021
5 min read