Better Sentiment Analysis with Sentiment.ai(r-bloggers.com) |
Better Sentiment Analysis with Sentiment.ai(r-bloggers.com) |
This wonderful paper shows how unreliable sentiment detection is: https://www.tandfonline.com/doi/pdf/10.1080/19312458.2020.18...
Summary: (1) The best performance is still attained with trained human or crowd coding; (2) None of the used dictionaries come close to acceptable levels of validity; and (3) machine learning, especially deep learning, substantially outperforms dictionary-based methods but falls short of human performance