Survey sampling and estimation methods form the cornerstone of modern statistical inference, underpinning research across the social, medical, and natural sciences. At their heart, these methods ...

Ryan Toma (left) is a Research Scientist at Viome Life Sciences (WA, USA). He focuses on the design and implementation of clinical studies with the aim of harnessing Viome’s personalized nutrition ...

Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and ...

Air and surface sampling techniques currently used by the US government are effective in fighting bioterrorism and potentially saving lives, a researcher finds. In 2005 and 2009, the Pentagon Force ...

From species of marmots to moles, shrews and mice, many of the world's endangered mammals are small. Genetic sampling is important for understanding how to conserve and protect their populations. But ...