Class imbalance and its effect on PCA preprocessing.
T. Maruthi PadmajaRaju S. BapiRudra N. HotaP. Radha KrishnaPublished in: Int. J. Knowl. Eng. Soft Data Paradigms (2014)
Keyphrases
- class imbalance
- preprocessing
- class distribution
- active learning
- principal component analysis
- feature extraction
- cost sensitive
- high dimensionality
- cost sensitive learning
- dimensionality reduction
- sampling methods
- imbalanced datasets
- feature selection
- majority class
- software defect prediction
- small disjuncts
- concept drift
- imbalanced data
- minority class
- principal components
- pattern recognition
- image classification
- imbalanced class distribution
- training data