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LLMsForDisinformationAnalysis/supporting/RAGAS_Service/README.md
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2026-06-23 15:41:44 +01:00

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# Classifier work for evaluating model quality
Made using a dataset of 1000 labeled claims from MVP pipeline.
# Roberta model
Trained on an augmented dataset with LLM generated adversarial examples for low frequency labels.
![ROBERTA Diagram](/literature/classifierROBERTA.png)
# Flan model
Trained using raw labelled claims, inherrent natural language ability allows for pattern recognition without the need for fake data.
![FLAN Diagram](/literature/classifierFLAN.png)
# NN Model
Regression model trained like roberta.
![NN Diagram](/literature/classifierNN.png)
# Ensemble
Used ensemble model in the final version, with the component models available on Hugging Face.
![Ensemble Diagram](/literature/classifierOverall.png)
| Model | % Correct | % Valid taken forward|Used in ensemble|Link
|------------------------------------------------------------|-----------|----------------------|----------------|-
| Original | 53.22 | 61.72 |
| Original (RAGAS) | 56.01 | 57.73 |
| Roberta (base) | 75 | 70 |
| Roberta (Generated Data) | 76 | 71 |
| Roberta (Generated Data + Back Translation) | 74 | 71 |
| Roberta (Generated Data + Back Translation + Thresholding) | 77 | 90 |Y|[Here](https://huggingface.co/WillJeynes/LLMsForDisinformationAnalysis)
| Distilled Roberta | 72.73 | 69.57 |
| Flan | 79.17 | 85.71 |Y|[Here](https://huggingface.co/WillJeynes/LLMsForDisinformationAnalysis-Flan)
| Simple Regression Model | 74.77 | 85.71 |Y|[Here](https://huggingface.co/WillJeynes/LLMsForDisinformationAnalysis-Regression)
| Ensemble Model (weighted confidence score sum) | 84.21 | 83.33 |
| Ensemble Model (majority voting) | 80.2 | 95.12 |