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README.md CHANGED
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  ---
 
 
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  tags:
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- - text-to-image
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  - lora
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- - diffusers
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- - template:diffusion-lora
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- widget:
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- - output:
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- url: images/logo.png
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- text: '-'
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- base_model: ''
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- instance_prompt: null
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- license: apache-2.0
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  ---
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- # Paladim
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- <Gallery />
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- ## Download model
 
 
 
 
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- [Download](/nickagge/paladin-improved/tree/main) them in the Files & versions tab.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  ---
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+ base_model: prajjwal1/bert-tiny
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+ library_name: peft
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  tags:
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+ - base_model:adapter:prajjwal1/bert-tiny
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  - lora
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+ - transformers
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+ - sentiment-analysis
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+ - text-classification
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+ - paladim
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+ - continual-learning
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+ license: mit
 
 
 
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  ---
 
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+ # PALADIM Sentiment Analysis (Improved)
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+ **A balanced, production-ready sentiment analysis model using PALADIM architecture**
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+ ## 🎯 Model Performance
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+ - **Overall Accuracy**: 78.68%
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+ - **Positive Sentiment**: 74.61% accuracy
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+ - **Negative Sentiment**: 82.87% accuracy
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+ - **Training Data**: 22,500 balanced samples from IMDb
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+ - **Balanced Training**: Equal positive/negative samples (no bias!)
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+ ## 📊 Test Results
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+ All predictions correct with high confidence:
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+
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+ | Text | Prediction | Confidence |
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+ |------|------------|------------|
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+ | "This movie was absolutely fantastic!" | ✅ POSITIVE | 93.5% |
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+ | "Terrible experience. Waste of time and money." | ❌ NEGATIVE | 92.1% |
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+ | "Pretty good, I enjoyed it overall." | ✅ POSITIVE | 88.5% |
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+ | "Not great, kind of boring and disappointing." | ❌ NEGATIVE | 86.4% |
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+ | "Amazing! Best thing I've ever seen!" | ✅ POSITIVE | 94.0% |
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+ | "Awful. Would not recommend to anyone." | ❌ NEGATIVE | 95.7% |
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+
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+ ## 🚀 Quick Start
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+
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+ ```python
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+ from peft import PeftModel
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+ from transformers import AutoModelForSequenceClassification, AutoTokenizer
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+ import torch
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+
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+ # Load model
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+ base_model = AutoModelForSequenceClassification.from_pretrained(
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+ "prajjwal1/bert-tiny",
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+ num_labels=2
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+ )
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+ model = PeftModel.from_pretrained(base_model, "nickagge/paladim-sentiment-improved")
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+ tokenizer = AutoTokenizer.from_pretrained("nickagge/paladim-sentiment-improved")
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+
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+ # Predict
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+ text = "This movie was fantastic!"
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+ inputs = tokenizer(text, return_tensors="pt", padding=True, truncation=True)
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+ outputs = model(**inputs)
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+ prediction = torch.argmax(outputs.logits, dim=-1).item()
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+
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+ sentiment = "POSITIVE" if prediction == 1 else "NEGATIVE"
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+ confidence = torch.softmax(outputs.logits, dim=-1).max().item()
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+
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+ print(f"{sentiment} ({confidence*100:.1f}%)")
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+ ```
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+
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+ ## Model Details
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+
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+ **PALADIM** (Pre Adaptive Learning Architecture of Dual-Process Hebbian-MoE Schema) is a continual learning system that combines:
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+
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+ - **Stable Core**: Pre-trained BERT-tiny (4.4M parameters) - frozen
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+ - **Plastic Memory**: LoRA adapters (12,546 trainable = 0.29%)
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+ - **MoE Layer**: Mixture of Experts routing
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+ - **Consolidation**: EWC + Knowledge Distillation
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+ - **Meta-Controller**: Adaptive learning triggers
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+ - **Replay Buffer**: Anti-forgetting mechanism
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+
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+ ### Model Description
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+
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+ This model is fine-tuned for binary sentiment classification (positive/negative) with balanced training to avoid prediction bias. It achieves 78.68% accuracy with high confidence predictions on both sentiment classes.
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+
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+ - **Developed by:** nickagge
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+ - **Model type:** BERT-tiny with LoRA adapters
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+ - **Language(s):** English
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+ - **License:** MIT
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+ - **Finetuned from model:** prajjwal1/bert-tiny
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+
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+ ## Training Details
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+
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+ ### Training Data
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+
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+ - **Dataset**: IMDb movie reviews
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+ - **Training samples**: 22,500 (11,250 positive + 11,250 negative)
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+ - **Validation samples**: 2,500 (balanced)
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+ - **Max sequence length**: 128 tokens
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+
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+ ### Training Procedure
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+
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+ #### Training Hyperparameters
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+
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+ - **Training regime**: fp32 (CPU training)
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+ - **Epochs**: 3
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+ - **Batch size**: 16
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+ - **Learning rate**: 5e-4
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+ - **Optimizer**: AdamW
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+ - **LoRA rank (r)**: 8
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+ - **LoRA alpha**: 16
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+ - **LoRA dropout**: 0.1
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+ - **Target modules**: ["query", "value", "key"]
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+
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+ #### Training Progress
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+
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+ | Epoch | Train Loss | Train Acc | Eval Acc | Pos Acc | Neg Acc |
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+ |-------|------------|-----------|----------|---------|---------|
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+ | 1 | 0.5514 | 71.31% | 77.48% | 77.44% | 77.52% |
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+ | 2 | 0.4933 | 76.00% | 77.68% | 86.59% | 68.51% |
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+ | 3 | 0.4805 | 76.94% | **78.68%** | 74.61% | 82.87% |
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+
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+ ## Evaluation
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+
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+ ### Testing Data & Metrics
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+
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+ - **Test set**: 2,500 balanced samples from IMDb
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+ - **Metrics**: Accuracy (overall and per-class)
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+ - **Positive class accuracy**: 74.61%
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+ - **Negative class accuracy**: 82.87%
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+
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+ ### Results
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+
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+ ✅ **Balanced predictions** - No systematic bias
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+ ✅ **High confidence** - 86-96% on test sentences
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+ ✅ **Consistent performance** - Both classes above 74%
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+
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+ ## Uses
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+
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+ ### Direct Use
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+
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+ - Sentiment analysis for movie reviews, product reviews, customer feedback
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+ - Social media sentiment monitoring
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+ - Content moderation and filtering
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+ - Market research and opinion mining
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+
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+ ### Limitations
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+
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+ - Trained specifically on movie reviews (may need domain adaptation for other contexts)
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+ - Binary classification only (positive/negative, no neutral class)
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+ - English language only
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+ - Max sequence length: 128 tokens
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+
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+ ## Citation
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+
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+ ```bibtex
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+ @misc{paladim-sentiment-improved,
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+ title={PALADIM Sentiment Analysis Model},
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+ author={nickagge},
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+ year={2025},
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+ publisher={HuggingFace},
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+ howpublished={\url{https://huggingface.co/nickagge/paladim-sentiment-improved}}
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+ }
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+ ```
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+
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+ ## Related Models
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+
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+ - [Original PALADIM Model](https://huggingface.co/nickagge/paladim-sentiment)
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+ - [BERT-tiny Base](https://huggingface.co/prajjwal1/bert-tiny)
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+ ### Framework versions
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+
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+ - PEFT 0.18.0
adapter_config.json ADDED
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tokenizer.json ADDED
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tokenizer_config.json ADDED
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vocab.txt ADDED
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