Stratified adaptive cluster sampling refers to designs in which, following an initial stratified sample, additional units are added to the sample from the neighbourhood of any selected unit with an ...

The sampling designs studied include (a) stratified cluster sampling in which the clusters are sampled with replacement, (b) stratified simple random sampling without replacement, (c) unequal ...

Drone mounted water sampling and sensor system increases sampling rates by 75% while reducing cost by 90% New York – June, 2021 – Reign Maker, a drone and data services innovation company, today ...