Nature

Design effects associated with dietary nutrient intakes from a clustered design of 1 to 14-year-old children

To calculate intra-cluster and intra-household design effects and intra-class correlation coefficients for dietary nutrients obtained from a 24 h record-assisted recall. There were 125 children in 50 ...
Simon Fraser University

Example 61.1: Stratified Cluster Sample Design

Consider the example in the section "Stratified Sampling". The study population is a junior high school with a total of 4,000 students in grades 7, 8, and 9. Researchers want to know how much these ...
National Academies of Sciences%2c Engineering%2c and Medicine

Sampling Techniques for Evaluating Health Parameters in Developing Countries: A Working Paper

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...
Simon Fraser University

CLUSTER Statement

The CLUSTER statement names variables that identify the clusters in a clustered sample design. The combinations of categories of CLUSTER variables define the clusters in the sample. If there is a ...
National Academies of Sciences%2c Engineering%2c and Medicine

Frontiers in Massive Data Analysis

Sampling is the process of collecting some data when collecting it all or analyzing it all is unreasonable. Before addressing why sampling still matters when massive amounts of data are available and ...