The high cost of split R-hat

Statistical Modeling, Causal Inference, and Social Science 2026-07-02

Summary:

This post is by Bob. I’ve been thinking a lot lately about R-hat given that I’m using it for online converging monitoring in our new Walnuts implementation. In that setting, where I use Welford accumulators to update R-hat estimates every … Continue reading

Link:

https://statmodeling.stat.columbia.edu/2026/07/02/the-high-cost-of-split-r-hat/

From feeds:

Statistics and Visualization » Statistical Modeling, Causal Inference, and Social Science

Tags:

bayesian

Authors:

Bob Carpenter

Date tagged:

07/02/2026, 16:48

Date published:

07/02/2026, 15:00