Keyphrases
- cluster analysis
- som neural network
- stock market
- chinese stock market
- categorical data
- fuzzy c means
- self organizing maps
- data mining
- k means
- unsupervised learning
- clustering method
- fuzzy clustering
- data analysis
- factor analysis
- hierarchical latent class models
- clustering algorithm
- cluster validity
- data mining techniques
- stock price
- object recognition
- region growing
- multiscale