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Madras1/
RobertaPhysicsClass

Name: RobertaPhysicsClass
Rating: 2.5 (6 reviews)

FacebookAI/roberta-base

finetune

mit

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RobertaPhysics: Physics Content Classifier

This model is a fine-tuned version of roberta-base designed to distinguish between Physics-related content and General/Non-Physics text.

It was developed specifically for data cleaning pipelines, aiming to filter and curate high-quality scientific datasets by removing irrelevant noise from raw text collections.

📊 Model Performance

The model was trained for 3 epochs and achieved the following results on the validation set (2,191 samples):

Metric	Value	Interpretation
Accuracy	94.44%	Overall correct classification rate.
Precision	70.00%	Reliability when predicting "Physics" class.
Recall	62.30%	Ability to detect Physics content within the dataset.
F1-Score	65.93%	Harmonic mean of precision and recall.
Validation Loss	0.1574	Low validation error indicating stable convergence.

🏷️ Label Mapping

The model uses the following mapping for inference:

LABEL_0 (0): General (Non-Physics content, noise, or other topics)
LABEL_1 (1): Physics (Scientific or educational content related to physics)

⚙️ Training Details

Dataset: Approximately 11,000 processed text samples (8,762 training / 2,191 validation).
Architecture: RoBERTa Base (Sequence Classification).
Batch Size: 16 (Train) / 64 (Eval).
Optimizer: AdamW (weight decay 0.01).
Loss Function: CrossEntropyLoss.

🚀 Quick Start

You can use this model directly with the Hugging Face pipeline:

python

from transformers import pipeline

# Load the classifier
classifier = pipeline("text-classification", model="Madras1/RobertaPhysics")

# Example 1: Physics Content
text_physics = "Quantum entanglement describes a phenomenon where linked particles remain connected."
result_physics = classifier(text_physics)
print(result_physics)
# Expected Output: [{'label': 'Physics', 'score': 0.93}]

# Example 2: General Content
text_general = "The quarterly earnings report will be released to investors next Tuesday."
result_general = classifier(text_general)
print(result_general)
# Expected Output: [{'label': 'General', 'score': 0.86}]

⚠️ Intended Use Primary Use: Filtering datasets to retain physics-domain text.

Limitations: The model prioritizes precision over recall (Precision: 70% vs Recall: 62%). This means it is "conservative": it minimizes false positives (junk labeled as physics) but may miss some valid physics texts. This is intentional for high-quality dataset curation.

Madras1/RobertaPhysicsClass