Zusammenfassung der Ressource
Data Pre-processing
- Why Preprocess the Data?
- Data Cleaning
- Missing Values
- Noisy Data
- Data Cleaning as a Process
- Data Integration and Transformation
- Data Integration
- Data Transformation
- Smoothing
- Aggregation
- Generalization
- Normalization
- Attribute construction
- Data Reduction
- Data Cube Aggregation
- Attribute Subset Selection
- Dimensionality Reduction
- Numerosity Reduction
- Data Discretization and Concept Hierarchy Generation
- Discretization and Concept Hierarchy Generation for
Numerical Data
- Concept Hierarchy Generation for Categorical Data