Introduction
What this guide covers
In simple random sampling (MAS) and stratified sampling, the selection unit coincides with the observation unit: an individual is chosen and that individual is measured. Cluster sampling deliberately breaks that identity.
Overview
Topics covered
- Introduction
- One-stage cluster sampling
- Nature and motivation of cluster sampling
- Why clusters are used
- One vs. two stages
- Notation, population framework and target parameters
Related concepts
Main connections
Compatible notation
Mathematical sample in LaTeX
The expression is rendered accessibly, with its LaTeX source preserved below.
View LaTeX source
\hat Y = \frac{M}{m}\sum_{i\in s} y_i = M\,\bar y_{c}, \qquad \bar y_c = \frac{1}{m}\sum_{i\in s} y_i