Clustering
The task of prediction models is to determine the group (class, category…) into which some particular data instance belongs – given enough training data in which the class membership is known. In contrast, the task of clustering is to determine the groups themselves, based on the data alone.
Ideas for lessons
Clusters in the Classroom
Building a Hierarchy of Groups based on Similaritiesmathematics
Discovering Animal Groups
How the snail buddied up with termites and fleasMathematics
Climate zones of Europe
Exploring Europe's climate zonesgeography
Socio-economic characteristics of countries
Observing countries by socio-economic characteristicsgeography
Slovenian surnames
Observing the distribution of surnames in SloveniaSlovenian, geography, history
