mysmmurf12/sentiment-analyzer

Sentiment Analyzer (LoRA Fine-Tuned Gemma-2B)

Model Overview

Sentiment Analyzer is a LoRA fine-tuned Gemma-2B transformer model for sentiment analysis and text classification tasks.
It uses PEFT (Parameter-Efficient Fine-Tuning) to deliver strong performance while keeping memory and compute requirements low.

This model is well-suited for:

• Sentiment analysis
• Opinion mining
• Review classification
• Emotion-aware text generation
• Lightweight NLP deployments

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Tasks

• Text Classification
• Sentiment Analysis

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Model Details

• Developed by: mysmmurf12
• Shared by: mysmmurf12
• Model type: Transformer-based Language Model
• Base model: google/gemma-2b
• Fine-tuning method: LoRA (Low-Rank Adaptation)
• Library: PEFT + Transformers
• Language: English
• License: Apache 2.0 (inherits from base model)

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Model Sources

• Hugging Face Repository:
  https://huggingface.co/mysmmurf12/sentiment-analyzer

• Base Model:
  https://huggingface.co/google/gemma-2b

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Intended Uses

✅ Direct Use

• Sentiment classification (positive / negative / neutral)
• Customer feedback and review analysis
• Social media sentiment monitoring
• Sentiment-aware chatbots

🔁 Downstream Use

• Integration into RAG pipelines
• Domain-specific sentiment fine-tuning
• Deployment via APIs, Streamlit apps, or dashboards

🚫 Out-of-Scope Use

• Medical, legal, or financial decision-making
• High-risk automated moderation
• Multilingual sentiment tasks (English-focused)

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Bias, Risks, and Limitations

• May reflect biases present in training data
• Less reliable on sarcasm or ambiguous language
• Not evaluated on standardized sentiment benchmarks

Recommendation:
Use human validation for high-impact applications.

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How to Use the Model

Load with Transformers + PEFT

from transformers import AutoModelForCausalLM, AutoTokenizer
from peft import PeftModel

base_model = "google/gemma-2b"
adapter_model = "mysmmurf12/sentiment-analyzer"

tokenizer = AutoTokenizer.from_pretrained(base_model)
model = AutoModelForCausalLM.from_pretrained(base_model)

model = PeftModel.from_pretrained(model, adapter_model)

text = "The product quality is amazing!"
inputs = tokenizer(text, return_tensors="pt")

outputs = model.generate(
    **inputs,
    max_new_tokens=50,
    temperature=0.7
)

print(tokenizer.decode(outputs[0], skip_special_tokens=True))