Keyphrases
- cluster analysis
- categorical data
- clustering algorithm
- clustering method
- data clustering
- correlation analysis
- factor analysis
- data mining
- data analysis
- k means
- multidimensional scaling
- data mining techniques
- unsupervised learning
- fuzzy clustering
- cluster validity
- clustering analysis
- hierarchical latent class models
- neural gas
- fuzzy c means
- association analysis
- machine learning
- databases
- knowledge discovery
- active learning
- face recognition
- data sets