Scalable inference for crossed random effects models

O Papaspiliopoulos, G O Roberts and G Zanella

Biometrika, 2020, vol. 107, issue 1, 25-40

Abstract: SummaryWe develop methodology and complexity theory for Markov chain Monte Carlo algorithms used in inference for crossed random effects models in modern analysis of variance. We consider a plain Gibbs sampler and propose a simple modification, referred to as a collapsed Gibbs sampler. Under some balancedness conditions on the data designs and assuming that precision hyperparameters are known, we demonstrate that the plain Gibbs sampler is not scalable, in the sense that its complexity is worse than proportional to the number of parameters and data, but the collapsed Gibbs sampler is scalable. In simulated and real datasets we show that the explicit convergence rates predicted by ou theory closely match the computable, but nonexplicit rates in cases where the design assumptions are violated. We also show empirically that the collapsed Gibbs sampler extended to sample precision hyperparameters significantly outperforms alternative state-of-the-art algorithms.

Keywords: Analysis of variance; Bayesian computation; Gibbs sampler; Spectral gap (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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