Online feature selection for high-dimensional class-imbalanced data.
Peng ZhouXuegang HuPei-Pei LiXindong WuPublished in: Knowl. Based Syst. (2017)
Keyphrases
- feature selection
- class imbalanced data
- high dimensional
- high dimensionality
- dimensionality reduction
- feature space
- online learning
- microarray data
- high dimension
- mutual information
- text categorization
- gene expression data
- classification accuracy
- low dimensional
- variable selection
- real time
- small sample
- sparse data
- information gain
- support vector
- multi dimensional
- support vector machine
- dimension reduction
- small sample size
- irrelevant features
- unsupervised learning
- multi class
- feature selection algorithms
- feature set
- selected features
- forward selection
- feature ranking
- similarity search
- model selection
- online communities
- input space
- kernel function
- high dimensional data