statistical sampling systematic sampling Madow, W.G. (1949), On the theory of systematic sampling, II, Annals of Mathematical Statistics, 20, 333-354. Philippe Rocca-Serra from: https://www.rdocumentation.org/packages/sampling/versions/2.8/topics/UPsystematic Sampling R package systematic sampling is a process for collecting samples and assembling a statistical sample using a system or method (.e.g unequal probabilities, without replacement, fixed sample size), as opposed to a random sampling. ready for release