Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 42, No. 4 (1993), pp. 585-601 (17 pages) In this paper two-dimensional systematic sampling of land use is considered. Data ...

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 ...

Objective To assess prevalence and associated factors of adverse childhood experiences (ACEs) among patients with severe mood disorders (SMDs). Design An institution-based cross-sectional study.