Measuring Economic Policy Uncertainty Using an Unsupervised Word Embedding-based Method.
Fatemeh Kaveh-YazdySajjad ZarifzadehPublished in: CoRR (2021)
Keyphrases
- detection method
- high precision
- unsupervised learning
- high accuracy
- co occurrence
- cost function
- machine learning
- support vector machine
- multiword
- neural network
- feature set
- supervised learning
- hidden markov models
- significant improvement
- pairwise
- preprocessing
- objective function
- feature extraction
- face recognition
- feature selection