Sample management in the laboratory can be complicated. Procedures for such management vary significantly depending on the identity of the samples, which can include: I. Biological samples, referring ...

Sample size calculations for a continuous outcome require specification of the anticipated variance; inaccurate specification can result in an underpowered or overpowered study. For this reason, ...

To select a sample with PROC SURVEYSELECT, you input a SAS data set that contains the sampling frame, or list of units from which the sample is to be selected. You also specify the selection method, ...

The metabolome is a highly valuable resource for investigating the cellular state. It is crucial to acquire true snapshots of the cells' metabolome when measuring intracellular pool sizes under ...

The authors present a simple way to qualify a swab-sampling procedure for its ability to recover residues of a small-molecule API from cleaned equipment surfaces. Spiking studies were specifically ...

A small company wants to audit employee travel expenses in an effort to improve the expense reporting procedure and possibly reduce expenses. The company does not have resources to examine all expense ...