Keyphrases
- principal components analysis
- covariance matrix
- exploratory data analysis
- dimensionality reduction
- principal components
- heart rate
- linear discriminant analysis
- clustering algorithm
- text categorisation
- multivariate statistical analysis
- hand geometry
- unsupervised learning
- clustering method
- information extraction
- support vector machine
- k means
- feature extraction
- data sets
- low dimensional
- ultrasound images
- dimensionality reduction methods
- high dimensional
- learning algorithm
- machine learning