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    Bayesian model checking: a problem with Gelman's chi-squared test

    So, I foolishly tried to implement a test Gelman and his colleagues propose to determine whether observed data actually fits a model (Bayesian Data Analysis, Edition 1, p.172; or better: Gelman, Meng, Stern, 1996). If the test worked as advertised, it would be really useful--an omnibus way to...