Ik {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 fixed sample size designs without replacement
Ik(N, n)
N |
Population size |
n |
Sample size |
The function returns a matrix of binom{N}{n} rows and N columns. The kth column corresponds to the sample membership indicator, of the kth unit, to a possible sample.
Hugo Andrés Gutiérrez Rojas hugogutierrez@usantotomas.edu.co
Sarndal, C-E. and Swensson, B. and Wretman, J. (1992), Model Assisted Survey Sampling. Springer.
Guti'errez, H. A. (2009), Estrategias de muestreo: Dise~no de encuestas y estimaci'on de par'ametros.
Editorial Universidad Santo Tom'as.
# 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