Researchers studying hidden populations—including injection drug users, men who have sex with men, and the homeless—find that standard probability sampling methods are either inapplicable or ...

Distance sampling methods to estimate population densities are in wide use; however, this method may not be suitable for certain species or in certain habitats. Although validation of population ...

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 ...