Performance Enhancement of the Unbalanced Text Classification Problem Through a Modified Chi Square-Based Feature Selection Technique: A Mod-Chi based FS technique.
Santosh Kumar BeheraRajashree DashPublished in: Int. J. Intell. Inf. Technol. (2022)
Keyphrases
- feature selection
- information gain
- chi square
- text classification
- text categorization
- naive bayes
- mutual information
- bag of words
- machine learning
- term frequency
- supervised feature selection
- n gram
- feature space
- feature set
- labeled data
- image processing
- text data
- classification accuracy
- support vector
- feature extraction
- text documents
- feature subset
- unsupervised learning
- k nearest neighbor
- dimensionality reduction
- logistic regression
- support vector machine
- knn
- information retrieval