Mr-FineTuner/Test___01_withNewEvalofConfusionMatrix

Fine-Tuned LLaMA-3-8B CEFR Model

This is a fine-tuned version of unsloth/llama-3-8b-instruct-bnb-4bit for CEFR-level sentence generation.

• Base Model: unsloth/llama-3-8b-instruct-bnb-4bit
• Fine-Tuning: LoRA with SMOTE-balanced dataset
• Training Details:
  • Dataset: CEFR-level sentences with SMOTE and undersampling for balance
  • LoRA Parameters: r=32, lora_alpha=32, lora_dropout=0.5
  • Training Args: learning_rate=2e-5, batch_size=8, epochs=0.1, cosine scheduler
  • Optimizer: adamw_8bit
  • Early Stopping: Patience=3, threshold=0.01
• Evaluation Metrics:
  • CEFR Classifier Accuracy: 0.250
  • Precision (Macro): 0.130
  • Recall (Macro): 0.250
  • F1-Score (Macro): 0.153
  • Perplexity: 14.218
  • Diversity (Unique Sentences): 0.933
  • Inference Time (ms): 2242.946
  • Model Size (GB): 4.8
  • Robustness (F1): 0.145
• Confusion Matrix:
  • CSV: confusion_matrix.csv
  • Image: confusion_matrix.png
• Per-Class Confusion Metrics:
  • A1: TP=0, FP=2, FN=10, TN=48
  • A2: TP=0, FP=0, FN=10, TN=50
  • B1: TP=10, FP=29, FN=0, TN=21
  • B2: TP=2, FP=7, FN=8, TN=43
  • C1: TP=3, FP=7, FN=7, TN=43
  • C2: TP=0, FP=0, FN=10, TN=50
• Usage:

  from transformers import AutoModelForCausalLM, AutoTokenizer
  
  model = AutoModelForCausalLM.from_pretrained("Mr-FineTuner/Test___01_withNewEval")
  tokenizer = AutoTokenizer.from_pretrained("Mr-FineTuner/Test___01_withNewEval")
  
  # Example inference
  prompt = "<|user|>Generate a CEFR B1 level sentence.<|end|>"
  inputs = tokenizer(prompt, return_tensors="pt")
  outputs = model.generate(**inputs, max_length=50)
  print(tokenizer.decode(outputs[0], skip_special_tokens=True))
  

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