var_Brewer_class2 {UPSvarApprox} | R Documentation |
Approximate Variance Estimators by Brewer (2002)
Description
Computes an approximate variance estimate according to one of the estimators proposed by Brewer (2002). This estimator belongs to class 2, it requires only first-order inclusion probabilities and only for sample units.
Usage
var_Brewer_class2(y, pik)
Arguments
y |
numeric vector of sample observations |
pik |
numeric vector of first-order inclusion probabilities for sample units |
Value
a scalar, the estimated variance
[Package UPSvarApprox version 0.1.4 Index]