Data Mining Tasks

Question	Answer
Supervised Learning	Where the teacher helps the system to construct a model by defining classes (values). To predict or estimate a continuous target using past data
Unsupervised Learning	Learning from observation and discovery. The system is supplied with objects but no classes. It looks for patterns in the data
Classification	classifying credit applicants as low, medium, or high risk. Putting things into well defined groups
Estimation	Guessing the number using past outcomes
Prediction	Predicted value or estimated future value. Can only be tested at a later time.
Affinity Grouping / Rule Association	Determining things that go together. People who buy A are likely to buy B with probability (x)
Market Basket Analysis	Association of transactional data grouped together as a single observation. (one record) A single probability determined by a group of actions
Clustering	Clustering is the task of segmenting a diverse population into a number of subgroups or clusters which contain people or items which are similar

Resource summary

	Created by Steve Hiscock over 10 years ago