Flashcards
Data Mining Tasks
Flashcards do conjunto (8)
- 1Supervised LearningWhere the teacher helps the system to construct a model by defining classes (values). To predict or estimate a continuous target using past data
- 2Unsupervised LearningLearning from observation and discovery. The system is supplied with objects but no classes. It looks for patterns in the data
- 3Classificationclassifying credit applicants as low, medium, or high risk.
Putting things into well defined groups - 4EstimationGuessing the number using past outcomes
- 5PredictionPredicted value or estimated future value. Can only be tested at a later time.
- 6Affinity Grouping / Rule AssociationDetermining things that go together. People who buy A are likely to buy B with probability (x)
- 7Market Basket AnalysisAssociation of transactional data grouped together as a single observation. (one record) A single probability determined by a group of actions
- 8ClusteringClustering is the task of segmenting a diverse population into a number of subgroups or clusters which contain people or items which are similar
Informações
- Descrição
- Key definitions of the tasks of data mining (Chapter 1)
- Criado por
- Steve Hiscock
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- 82
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