Variational inference with alpha-divergence matches Hamiltonian Monte Carlo on in-sample fit for spatial lifetime models at roughly half the computation time, but with poorly calibrated uncertainty for some parameters.
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The Use of Variational Inference for Lifetime Data with Spatial Correlations
Variational inference with alpha-divergence matches Hamiltonian Monte Carlo on in-sample fit for spatial lifetime models at roughly half the computation time, but with poorly calibrated uncertainty for some parameters.