HTestimator {sampling} | R Documentation |
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
# Belgian municipalities data base
data(belgianmunicipalities)
# Computes the inclusion probabilities
pik=inclusionprobabilities(belgianmunicipalities$Tot04,200)
N=length(pik)
n=sum(pik)
# Defines the variable of interest
y=belgianmunicipalities$TaxableIncome
# Draws a Poisson sample of expected size 200
s=UPpoisson(pik)
# Computes the Horvitz-Thompson estimator
HTestimator(y[s==1],pik[s==1])
[Package
sampling version 2.1
Index]