MEANING
An estimation approach combining group-specific and overall information, shrinking noisy estimates toward a shared mean.
Use it for
Name a middle ground between one shared estimate and wholly separate estimates.Explain how small-group estimates borrow strength from a broader population.
Words that belong together
- partial pooling across groups
- hierarchical model
- shrinkage toward the overall mean
On the page
Partial pooling kept estimates for tiny schools from swinging far from the overall mean.
Nearby words
Opposite meanings
Word forms
- Base
- partial pooling
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Usage notes
Partial pooling lies between complete pooling and no pooling; the amount of shrinkage depends on group information and model structure.
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