Keyphrases
- high dimensional data
- dimensionality reduction
- high dimensionality
- feature selection
- low dimensional
- dimension reduction
- nearest neighbor
- high dimensional
- high dimensions
- data points
- original data
- data analysis
- subspace clustering
- preprocessing step
- manifold learning
- gene expression data
- data distribution
- variable selection
- feature space
- input space
- similarity search
- model selection
- high dimensional spaces
- small sample size
- clustering high dimensional data
- missing values
- linear discriminant analysis
- text data
- input data
- lower dimensional
- dimensional data
- support vector
- nonlinear dimensionality reduction
- subspace learning
- high dimensional datasets
- sample size
- text classification
- feature set
- feature extraction
- high dimensional data sets
- data sets