Sentence examples for samples were stratified from inspiring English sources

The latter samples were stratified into biomass, standing dead mass and litter for net above ground primary production (NAPP) assessment.

In Italy and Luxembourg, samples were stratified for gender, age and habitation to achieve representativeness, but low responder-rates (14.3 and 31.1%) undermined this.

The samples were stratified by map category - 431 samples were allocated to the category 2 and 3, and 87 to category 1.

The classroom samples were stratified within each state according to programs in schools versus another site; full-day versus part-day program; and teachers with and without a college degree.

We therefore used a paired analysis where samples were stratified based on dye and experimental set.

These samples were stratified with the mean value of SALL4 to SALL4 high and SALL4 low groups.

Samples are stratified by age and simple equal (1/3 probability) random allocation occurs at the laboratory.

Based on the scores, samples are stratified into low-, intermediand- and high-risk groups.

Population at-risk data from the validation sample were stratified in the same way and retained in a separate database.

The random sample was stratified for province and speciality and represents a sampling fraction of 9.2%.

Random sampling was stratified by three age groups.