Keyphrases
- vector field
- cluster analysis
- categorical data
- clustering method
- clustering algorithm
- optical flow
- data clustering
- velocity field
- data mining
- k means
- gradient field
- correlation analysis
- factor analysis
- hierarchical latent class models
- fuzzy clustering
- data mining techniques
- cluster validity
- unsupervised learning
- critical points
- fuzzy c means
- information retrieval
- multidimensional scaling
- databases
- partitional clustering
- data sets
- association rules
- metadata
- feature selection
- scalar field