Erstellt von Kim Graff
vor mehr als 9 Jahre
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Data Mining is..
Data Mining Process
Typical Data Mining System
What is OLTP? What does it do?
What is OLAP and what does it do?
Distinct Features of OLTP vs. OLAP
User and System Orientation
Distinct Features of OLTP vs. OLAP
Data Contents
Distinct Features of OLTP vs. OLAP
Database design
Distinct Features of OLTP vs. OLAP
View
Distinct Features of OLTP vs. OLAP
Access Patterns
OLTP breakdown
OLAP breakdown
CUBE: A Lattice of Cuboids
Example of Fact Constellation
Generating Association Rules for Frequent Itemsets
Generating Association Rules from Frequent Itemsets METHODS
LIFT is
Process 1: Model Construction
Process (2) Using the Model in Prediction
Attribute Selection Measure: Information Gain (ID3)
Attribute Selection: Info Gain