The assumption of iid observations that underlies many statistical procedures is called into question when analyzing complex survey data. The population structure--particularly the existence of ...

This article presents a simple method for choosing the subsample size m in two-stage sampling when the values of the relevant design parameters, the variance ratio and the cost ratio, are not known ...

Microbial community samples can be efficiently surveyed in high throughput by sequencing markers such as the 16S ribosomal RNA gene. Often, a collection of samples is then selected for subsequent ...