design_effect: Kish design effect from unequal weighting

View source: R/spec.R

design_effectR Documentation

Kish design effect from unequal weighting

Description

deff = 1 + CV^2(w) = m * sum(w^2) / (sum(w))^2, over the active weights. The effective sample size is n_eff = m / deff.

Usage

design_effect(w)

Arguments

w

vector of weights (zeros are dropped).

Value

list with deff, n_eff, cv and n.

Examples

design_effect(sample_survey$pw)

weightflow documentation built on July 23, 2026, 1:08 a.m.