Analyzing foreign exchange rates by rough set theory and directed acyclic graph support vector machines.
Ping-Feng PaiShi-Yu ChenChao-Wei HuangYa-Hsin ChangPublished in: Expert Syst. Appl. (2010)
Keyphrases
- rough set theory
- directed acyclic graph
- exchange rate
- support vector
- rough sets
- decision rules
- attribute reduction
- equivalence class
- decision table
- fuzzy set theory
- foreign exchange
- knowledge discovery
- equivalence classes
- conditional independence
- transitive closure
- tool for data mining
- directed graph
- equivalence relation
- granular computing
- random variables
- stock price
- rough sets theory
- knowledge reduction
- currency exchange
- support vector machine
- classification accuracy
- data analysis
- feature selection
- data reduction
- information entropy
- pattern recognition
- learning algorithm
- machine learning
- numerical data
- rule extraction
- text mining
- approximation spaces
- image processing
- attribute reduction algorithm