ppss {pps} | R Documentation |
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 population |
n |
The sample size |
Returns the indices of the units that were selected in the sample
See the user's guide, pps.pdf, for more information.
sizes <- c(9,2,5,17,4,21,15,7,4,11,23,23,14) sampleindices <- ppss(sizes,4)