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Balanced repeated replication

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Balanced repeated replication is a statistical technique for estimating the sampling variability of a statistic obtained by stratified sampling.

Fay's method

Fay's method is a generalization of BRR. Instead of simply taking half-size samples, we use the full sample every time but with unequal weighting: k for units outside the half-sample and 2 − k for units inside it. (BRR is the case k = 0.) The variance estimate is then V/(1 − k)2, where V is the estimate given by the BRR formula above.

See also