All core and cuttings sampling is completed by MGRRE personnel only. We may not always be able to provide samples if we have a very small amount. If you request samples during an on-site visit, we ...

i.e. a sample of units from the population drawn in accordance with a well-prescribed selection mechanism. This report describes the various sample designs and weighting methods regularly used at ...

this notation applies to the entire sampling frame. According to the Hanurav-Vijayan algorithm, PROC SURVEYSELECT first orders units within the stratum in ascending order by size measure, so that ...

There are many different types of sampling; the most useful type depends on the habitat and what is being sampled. If you want to know if a cake is good, you could just try a sample. In ecology ...