This is a preview. Log in through your library . Abstract Weighting adjustment is commonly used in survey sampling to correct for unit nonresponse. In cluster sampling, the missingness indicators are ...

Local blackbird populations cause most of the damage to sunflower crops in North Dakota. Precise estimates of blackbird breeding populations are necessary before management practices designed to ...

New York – June, 2021 – Reign Maker, a drone and data services innovation company, today announced the launch of Nixie, the world’s first drone-enabled water sampling and data collection system, ...