sampling (version 2.10)

HTestimator: The Horvitz-Thompson estimator

Description

Computes the Horvitz-Thompson estimator of the population total.

Usage

HTestimator(y,pik)

Arguments

y

vector of the variable of interest; its length is equal to n, the sample size.

pik

vector of the first-order inclusion probabilities; its length is equal to n, the sample size.

See Also

UPtille

Examples

data(belgianmunicipalities)
attach(belgianmunicipalities)
# inclusion probabilities
pik=inclusionprobabilities(Tot04,200)
N=length(pik)
n=sum(pik)
# draws a Poisson sample of expected size 200
s=UPpoisson(pik)
# Horvitz-Thompson estimator of the total of TaxableIncome
HTestimator(TaxableIncome[s==1],pik[s==1])
detach(belgianmunicipalities)