The method of systematic random sampling (METHOD=SYS) selects units at a fixed interval throughout the sampling frame or stratum after a random start. PROC SURVEYSELECT chooses the first unit randomly ...
If you specify the option METHOD=PPS_SYS, PROC SURVEYSELECT selects units by systematic random sampling with probability proportional to size. Systematic sampling selects units at a fixed interval ...
This is a preview. Log in through your library . Journal Information Biometrics is a scientific journal emphasizing the role of statistics and mathematics in the biological sciences. Its object is to ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback