IkRS {TeachingSampling} | R Documentation |
Creates a matrix of values (0, if the unit belongs to a specified sample and 1, otherwise) for every possible sample under random sample size designs without replacement
IkRS(N)
N |
Population size |
The function returns a matrix of 2^N
rows and N
columns. The k
th column corresponds to the sample
membership indicator, of the k
th unit, to a possible sample.
Hugo Andres Gutierrez Rojas hagutierrezro@gmail.com
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.
# Vector U contains the label of a population of size N=5
U <- c("Yves", "Ken", "Erik", "Sharon", "Leslie")
N <- length(U)
n <- 3
# The sample membership matrix for fixed size without replacement sampling designs
IkRS(N)
# The first sample is a null one and the last sample is a census