Search results
Results From The WOW.Com Content Network
An example of cluster sampling is area sampling or geographical cluster sampling.Each cluster is a geographical area in an area sampling frame.Because a geographically dispersed population can be expensive to survey, greater economy than simple random sampling can be achieved by grouping several respondents within a local area into a cluster.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file
For this reason, cluster sampling requires a larger sample than SRS to achieve the same level of accuracy – but cost savings from clustering might still make this a cheaper option. Cluster sampling is commonly implemented as multistage sampling. This is a complex form of cluster sampling in which two or more levels of units are embedded one ...
Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some specific sense defined by the analyst) to each other than to those in other groups (clusters).
From Wikipedia, the free encyclopedia. Redirect page
Cluster analysis, a set of techniques for grouping a set of objects based on intrinsic similarities; Cluster sampling, a sampling technique used when "natural" groupings are evident in a statistical population; Cluster graph, in graph theory, a disjoint union of complete graphs; Clusterable graph, in balance theory
The Mảng (Chinese: 莽人; pinyin: Mángrén; Vietnamese: Mảng) are an ethnic group living primarily in Lai Châu, northwestern Vietnam, where they are one of Vietnams' 54 officially recognized ethnic groups.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file