A practical method of drawing sampling units with probabilities exactly proportional to size is described, in which both preliminary calculations and the addition of a large number of sizes are ...

PROC SURVEYSELECT provides a variety of methods for selecting probability-based random samples. With probability sampling, each unit in the survey population has a known, positive probablity of ...

For the estimation of the population total of a character y, defined over a finite population of known size, "optimum" sampling strategies for the case when auxiliary information H of a type commonly ...

A recent study posted to the medRxiv* pre-print server estimated severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) epidemiological parameters by using various sampling strategies on the ...