Partial Pooling
The estimation behavior a hierarchical model produces: each group's estimate is shrunk toward the population mean by an amount driven by that group's sample size and the between-group variance, interpolating between per-group maximum likelihood (no pooling) and one shared estimate (complete pooling).
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The estimation behavior a hierarchical model produces: each group's estimate is shrunk toward the population mean by an amount driven by that group's sample size and the between-group variance, interpolating between per-group maximum likelihood (no pooling) and one shared estimate (complete pooling).
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