A Text Sentimental Analysis Method Based on Dimension Reduction of CHI Multi-gram Features Mixture.
Fulian YinYanyan WangJianbo LiuPublished in: ICNC-FSKD (2019)
Keyphrases
- dimension reduction
- feature extraction
- feature set
- pairwise
- preprocessing
- principle component analysis
- discriminative information
- feature selection
- pattern recognition
- database
- high dimensional data
- singular value decomposition
- high dimensionality
- variable selection
- qr decomposition
- support vector machine svm
- principal component analysis
- feature space