# Sentiment analysis

Sentiment Analysis is the task of classifying polarity of a given text.

## SentNoB

[SentNoB: A Dataset for Analysing Sentiment on Noisy Bangla Texts](https://aclanthology.org/2021.findings-emnlp.278.pdf) is a dataset which contains 15,728 instances with each labeled with one of three-class labels. This work also proposes, <em>unique word percentage</em>, a new evaluation metric for datasets. Models are evaluated based on micro-averaged F1 score.

| Model | F1-score | Paper / Source | Code |
| ------------ | ------------- | ------------ | ------------- |
| U + B + T + C2 + C3 + C4 + C5 | 64.61 | [SentNoB: A Dataset for Analysing Sentiment on Noisy Bangla Texts](https://aclanthology.org/2021.findings-emnlp.278.pdf) | [Official](https://github.com/KhondokerIslam/SentNoB) |