Update README.md
Browse files
README.md
CHANGED
|
@@ -1,3 +1,62 @@
|
|
| 1 |
-
---
|
| 2 |
-
license: apache-2.0
|
| 3 |
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
---
|
| 2 |
+
license: apache-2.0
|
| 3 |
+
language:
|
| 4 |
+
- km
|
| 5 |
+
metrics:
|
| 6 |
+
- accuracy
|
| 7 |
+
base_model:
|
| 8 |
+
- facebook/fasttext-km-vectors
|
| 9 |
+
pipeline_tag: text-classification
|
| 10 |
+
library_name: fasttext
|
| 11 |
+
---
|
| 12 |
+
|
| 13 |
+
**This is a fine-tuned version of the FastText KM model for sentiment analysis to classify khmer texts into 2 categories; Postive and Negative.**
|
| 14 |
+
|
| 15 |
+
- **Task**: Sentiment analysis (binary classification).
|
| 16 |
+
- **Languages Supported**: Khmer.
|
| 17 |
+
- **Intended Use Cases**:
|
| 18 |
+
- Analyzing customer reviews.
|
| 19 |
+
- Social media sentiment detection.
|
| 20 |
+
- **Limitations**:
|
| 21 |
+
- Performance may degrade on languages or domains not present in the training data.
|
| 22 |
+
- Does not handle sarcasm or highly ambiguous inputs well.
|
| 23 |
+
-
|
| 24 |
+
The model was evaluated on a test set of 400 samples, achieving the following performance:
|
| 25 |
+
|
| 26 |
+
- **Test Accuracy**: 81%
|
| 27 |
+
- **Precision**: 81%
|
| 28 |
+
- **Recall**: 81%
|
| 29 |
+
- **F1 Score**: 81%
|
| 30 |
+
|
| 31 |
+
Confusion Matrix:
|
| 32 |
+
| Predicted\Actual | Negative | Positive |
|
| 33 |
+
|-------------------|----------|----------|
|
| 34 |
+
| **Negative** | 165 | 44 |
|
| 35 |
+
| **Positive** | 31 | 160 |
|
| 36 |
+
The model supports a maximum sequence length of 512 tokens.
|
| 37 |
+
## How to Use
|
| 38 |
+
```python
|
| 39 |
+
import fasttext
|
| 40 |
+
from khmernltk import word_tokenize
|
| 41 |
+
|
| 42 |
+
# Load the model
|
| 43 |
+
model = fasttext.load_model('/Users/tykea/Desktop/fasttext-finetuned/sentiment_model.ftz')
|
| 44 |
+
|
| 45 |
+
def predict(text):
|
| 46 |
+
# Tokenize the text
|
| 47 |
+
tokens = word_tokenize(text)
|
| 48 |
+
# Join tokens back into a single string
|
| 49 |
+
tokenized_text = ' '.join(tokens)
|
| 50 |
+
# Make predictions
|
| 51 |
+
predictions = model.predict(tokenized_text)
|
| 52 |
+
# Map labels to human-readable format
|
| 53 |
+
label_mapping = {
|
| 54 |
+
'__label__0': 'negative',
|
| 55 |
+
'__label__1': 'positive'
|
| 56 |
+
}
|
| 57 |
+
# Get the predicted label
|
| 58 |
+
predicted_label = predictions[0][0]
|
| 59 |
+
# Map the predicted label
|
| 60 |
+
human_readable_label = label_mapping.get(predicted_label, 'unknown')
|
| 61 |
+
return human_readable_label
|
| 62 |
+
predict('αααααΈααΆααααα’αα·αααααΆααααααΆαααααααΆααααααα')
|