TeachingSampling (version 4.1.1)

Ik: Sample Membership Indicator

Description

Creates a matrix of values (0, if the unit belongs to a specified sample and 1, otherwise) for every possible sample under fixed sample size designs without replacement

Usage

Ik(N, n)

Arguments

N

Population size

n

Sample size

Value

The function returns a matrix of \(binom(N)(n)\) rows and \(N\) columns. The \(k\)th column corresponds to the sample membership indicator, of the \(k\)th unit, to a possible sample.

References

Sarndal, C-E. and Swensson, B. and Wretman, J. (1992), Model Assisted Survey Sampling. Springer. Gutierrez, H. A. (2009), Estrategias de muestreo: Diseno de encuestas y estimacion de parametros. Editorial Universidad Santo Tomas.

See Also

Support, Pik

Examples

# NOT RUN {
# Vector U contains the label of a population of size N=5
U <- c("Yves", "Ken", "Erik", "Sharon", "Leslie")
N <- length(U)
n <- 2
# The sample membership matrix for fixed size without replacement sampling designs
Ik(N,n)
# The first unit, Yves, belongs to the first four possible samples 
# }