Consider a population in which the variable of interest tends to be at or near zero for many of the population units but a subgroup exhibits values distinctly different from zero. Such a population ...

Networks are a popular tool for representing elements in a system and their interconnectedness. Many observed networks can be viewed as only samples of some true underlying network. Such is frequently ...

Researchers often use sample survey methodology to obtain information and make inferences about a large aggregate or population. The application of a wide variety of available sampling designs ...