---
license: mit
---

Three classes sentiment analysis (positive, negative, neutral)

Based on https://huggingface.co/j-hartmann/sentiment-roberta-large-english-3-classes

**Fine-tuned using:**
- annotated sentences from book reviews in English https://www.gti.uvigo.es/index.php/en/book-reviews-annotated-dataset-for-aspect-based-sentiment-analysis
- annotated paragraphs from amateur writers' stories https://arxiv.org/abs/1910.11769

**Performance for books:**

Num examples = 1666

Batch size = 16
|           | precision | recall | f1-score | support |
|---| --- | --- | --- | --- |
| Negative | 0.83 | 0.88 | 0.85 | 844 |
| Neutral | 0.68 | 0.51 | 0.58 | 351 |
| Positive | 0.79 | 0.85 | 0.82 | 471 |
| accuracy |      |      | 0.79 | 1666 |
| macro avg | 0.76 | 0.75 | 0.75 | 1666 |
| weighted avg | 0.78 | 0.79 | 0.78 | 1666 |

**Performance for reviews:**

Num examples = 205

Batch size = 16
|           | precision | recall | f1-score | support |
|---| --- | --- | --- | --- |
| Negative | 0.89 | 0.92 | 0.91 | 26 |
| Neutral | 0.96 | 0.91 | 0.94 | 90 |
| Positive | 0.94 | 0.98 | 0.96 | 89 |
| accuracy |      |      | 0.94 | 205 |
| macro avg | 0.93 | 0.94 | 0.93 | 205 |
| weighted avg | 0.94 | 0.94 | 0.94 | 205 |