However, it may save costs on obtaining a sample. Cluster sampling is a two-step sampling procedure. It may be used when completing a list of the entire population is difficult. For example ...

The number of observations in a population, the number of observations in a sample, and the procedure used to draw the sample sets determine the variability of a sampling distribution. The ...

And, if such a sampling procedure is invalid in some particular factual situations, may it remain on the books for other situations? (In other words, should such a law be struck down as written — that ...

Prior to invoking the CATMOD procedure, structural and sampling zeros are easily identified and manipulated ... proc catmod data=Combos2; weight count; model Active*Passive=_response_ / freq pred=freq ...

The quality and appropriateness of the sampling procedure is however, often not considered by analytical scientists. The aims of the Sampling and Uncertainty Expert Working Group are therefore to: ...