Showing 2023Show all
2 papers · 1 filter
stat.ME2023
A general model-checking procedure for semiparametric accelerated failure time models
Dongrak Choi, Woojung Bae, Jun Yan +1
We propose a set of goodness-of-fit tests for the semiparametric accelerated failure time (AFT) model, including an omnibus test, a link function test, and a functional form test.…
stat.ME2023
A Bayesian Non-parametric Approach for Causal Mediation with a Post-treatment Confounder
Woojung Bae, Michael J. Daniels, Michael G. Perri
We propose a new Bayesian non-parametric (BNP) method for estimating the causal effects of mediation in the presence of a post-treatment confounder. We specify an enriched Dirichle…