Open access
Aug 2026
Equal Budgets Change the Verdict: Finite-Sample Bias and a Matched-Budget Re-Examination of Diversity-Enhanced flowMC Ensembles
On two real Bayesian posteriors scored against long NUTS references, uniform pooling improved on the sample-count-matched single run under marginal JS, energy distance, and MMD2 in every recorded run, while the aggregation’s deficit is confined to the biased marginal metric.
Ming-Yu Shi, Fan Zhang
· Mathematics · 0 citations