Keyphrases
- cross validation
- model selection
- feature selection
- selected features
- support vector
- variable selection
- hyperparameters
- regression problems
- cross validated
- training set
- generalization error
- text categorization
- machine learning
- information criterion
- leave one out cross validation
- text classification
- meta learning
- regularization parameter
- feature selection algorithms
- unseen data
- feature space
- permutation tests
- classification accuracy
- data sets
- error estimates
- ls svm
- multi class
- nearest neighbor classifiers
- feature set
- feature extraction
- feature vectors
- small sample
- selection criterion
- bayesian classifier
- active learning
- support vector machine
- support vector machine svm
- mutual information