[R] Bayesian Residual Analysis and GOF for Ordinal Regression Models with Latent Variable Formulation

[reezwan you]

Hi:
I am wondering if someone could please guide me to some package or implementation of Bayesian Residual Analysis and GOF for Ordinal Regression Models with Latent Variable Formulation. I've chekced arm package which uses glm formulation (howeve, I'm looking for Latent Variable/Data Augmentation formulation), and I couldn't find any functions for residual analysis. MCMCpack package method: MCMCoprobit uses data augmentation for ordered probit regression, but doesn't give bayesian latent residuals. Any help would be much appreciated.
Thanks
Reez