Fine-tuning VADER Classifier with Domain-specific Lexicons
Published in
6 min readMay 13, 2023
Extending the core VADER sentiment classifier’s lexicon with two financial lexicons improves sentiment classification accuracy from 58 % to 69 % on a classic financial dataset
Introduction
VADER (Valence Aware Dictionary and sEntiment Reasoner) classifier is a mainstream model for sentiment analysis frequently used in companies and…