If no other sources are available to measure certain variables of a target population, Statistics Netherlands often uses a random sample, i.e. a sample of units from the population drawn in accordance ...

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 ...

Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. Demographic Research Vol. 38, JANUARY - JUNE 2018 Design and implementation of a high-qual ...