Qixuan Chen

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Using leave‐one‐out cross validation (LOO) in a multilevel regression and poststratification (MRP) workflow: A cautionary tale

Dec 26, 2023 | onlinelibrary.wiley.com | Swen Kuh |Lauren Kennedy |Qixuan Chen |Andrew Gelman

AR autoregressive elpd expected log predictive density LOO leave-one-out cross validation MRP multilevel regression and poststratification PSIS Pareto smoothed importance sampling SAE small-area estimation 1 INTRODUCTION Multilevel regression and poststratification (MRP) relies on models, so it is essential to have a method to validate our models.

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