PPS systematic sampling
Use PPS systematic sampling to select a sample of n units out of N
ppss(sizes,n)
sizes
: A vector of the sizes of the units in the populationn
: The sample sizeReturns the indices of the units that were selected in the sample
See the user's guide, pps-ug.pdf, for more information.
sizes <- c(9,2,5,17,4,21,15,7,4,11,23,23,14) sampleindices <- ppss(sizes,4)
Useful links