Market Forecasting by Variable Selection of Indicators and Emotion Scores from Text Data.
Eri DomotoKoji OkuharaAntónio Oliveira Nzinga RenéPublished in: J. Adv. Comput. Intell. Intell. Informatics (2022)
Keyphrases
- variable selection
- text data
- high dimensional
- high dimensional data
- input variables
- text classification
- text mining
- dimensionality reduction
- low dimensional
- dimension reduction
- cross validation
- nearest neighbor
- model selection
- structured data
- high dimensionality
- database
- feature space
- text documents
- data analysis
- feature selection
- document collections
- data sets
- neural network
- computer vision
- real world
- linear discriminant analysis
- pattern recognition