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README.md
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license: apache-2.0
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---
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license: apache-2.0
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datasets:
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- alexanderpl/ru_gec_v1
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language:
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- ru
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metrics:
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- accuracy
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base_model:
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- unsloth/gemma-2-2b-bnb-4bit
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pipeline_tag: text-generation
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tags:
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- language
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---
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## **Gemma2-2b-GEC-v1: A Fine-Tuned Model for Russian Grammatical Error Correction**
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This model is a fine-tuned version of `unsloth/gemma-2-2b-bnb-4bit` on the `p1746-lingua/ru-gec-v1` dataset. It is designed for **Grammatical Error Correction (GEC)** for Russian texts, generating corrected versions of input sentences with grammatical, spelling, and punctuation errors.
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---
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### **Model Details & Training**
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* **Base Model:** `google/gemma-2-2b` (via Unsloth's 4-bit quantized version)
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* **Task:** Sequence-to-sequence text generation for error correction.
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* **Training Data:** `p1746-lingua/ru-gec-v1` dataset, consisting of approximately 707,000 sentence pairs (erroneous → corrected).
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* **Max Sequence Length:** 512 tokens.
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* **Framework:** PyTorch, Hugging Face Transformers, with accelerated training using Unsloth.
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#### **Hyperparameters:**
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| Parameter | Value |
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| :--- | :--- |
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| **Batch Size** | 32 |
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| **Learning Rate** | 1e-5 |
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| **Total Epochs** | 10,000 |
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| **Warmup Steps** | 100 |
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| **Optimizer** | adamw_bnb_8bit |
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---
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### **How to Use**
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The model operates in a standard text-to-text way. Here are examples using the Hugging Face `transformers` pipeline and direct inference.
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#### **Inference with Transformers**
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```python
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from transformers import AutoModelForCausalLM, AutoTokenizer
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from peft import PeftModel
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import torch
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peft_model_id = "p1746-lingua/gemma2-2b-gec-v1"
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base_model_id = "unsloth/gemma-2-2b-bnb-4bit"
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tokenizer = AutoTokenizer.from_pretrained(peft_model_id)
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# Load base model
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base_model = AutoModelForCausalLM.from_pretrained(
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base_model_id,
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torch_dtype=torch.float16,
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device_map="auto"
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)
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model = PeftModel.from_pretrained(base_model, peft_model_id)
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examples = [
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"Я будуш делать задание завтра.",
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"Она купила три яблоки.",
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"Это моя лучшая друзья.",
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"Мы ходили в кино вчерашний день."
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]
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def correct_sentence(sentence, max_length=200):
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prompt = f"Correct this Russian sentence: {sentence}\nCorrected:"
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inputs = tokenizer(prompt, return_tensors="pt").to(model.device)
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with torch.no_grad():
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outputs = model.generate(
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**inputs,
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max_new_tokens=max_length,
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do_sample=False,
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num_return_sequences=1,
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pad_token_id=tokenizer.pad_token_id,
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eos_token_id=tokenizer.eos_token_id,
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)
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generated_text = tokenizer.decode(outputs[0], skip_special_tokens=True)
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if "Corrected:" in generated_text:
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corrected = generated_text.split("Corrected:")[1].strip()
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else:
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corrected = generated_text.replace(prompt, "").strip()
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return corrected
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for sentence in examples:
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corrected = correct_sentence(sentence)
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print(f"Input: {sentence}")
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print(f"Output: {corrected}\n")
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# Я буду делать задание завтра.
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# Она купила три яблока.
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# Это моя лучшая подруга.
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# Мы ходили в кино вчера.
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```
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**Disclaimer:** This model is a tool to assist with writing. Its output should be reviewed by a human, especially in critical or formal contexts.
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---
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## **Gemma2-2b-GEC-v1: Дообученная модель для исправления грамматических ошибок на русском языке**
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Модель дообучена на `unsloth/gemma-2-2b-bnb-4bit` на датасете `p1746-lingua/ru-gec-v1`. Модель предназначена для **исправления грамматических ошибок (GEC)** в русских текстах, она генерирует исправленные версии входных предложений с грамматическими, орфографическими и пунктуационными ошибками.
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---
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### **Детали модели**
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* **Базовая модель:** `google/gemma-2-2b` (4-битная квантизированная версия от Unsloth)
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* **Задача:** Генерация текста для исправления ошибок.
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* **Данные для обучения:** Датасет `p1746-lingua/ru-gec-v1`, состоящий приблизительно из 707 000 пар предложений (с ошибкой → исправленное).
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* **Максимальная длина последовательности:** 512 токенов.
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* **Фреймворк:** PyTorch, Hugging Face Transformers с ускоренным обучением через Unsloth.
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#### **Гиперпараметры:**
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| Параметр | Значение |
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| :--- | :--- |
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| **Размер батча** | 32 |
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| **Скорость обучения** | 1e-5 |
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| **Всего эпох** | 10 000 |
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| **Шагов warmup** | 100 |
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| **Оптимизатор** | adamw_bnb_8bit |
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---
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### **Как использовать**
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Модель работает стандартным способом. Ниже приведены примеры использования пайплайна Hugging Face `transformers`.
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#### **С помощью Transformers**
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```python
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from transformers import AutoModelForCausalLM, AutoTokenizer
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from peft import PeftModel
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import torch
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peft_model_id = "p1746-lingua/gemma2-2b-gec-v1"
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base_model_id = "unsloth/gemma-2-2b-bnb-4bit"
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tokenizer = AutoTokenizer.from_pretrained(peft_model_id)
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# Load base model
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base_model = AutoModelForCausalLM.from_pretrained(
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base_model_id,
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torch_dtype=torch.float16,
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device_map="auto"
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)
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model = PeftModel.from_pretrained(base_model, peft_model_id)
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examples = [
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"Я будуш делать задание завтра.",
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"Она купила три яблоки.",
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"Это моя лучшая друзья.",
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"Мы ходили в кино вчерашний день."
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]
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def correct_sentence(sentence, max_length=200):
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prompt = f"Correct this Russian sentence: {sentence}\nCorrected:"
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inputs = tokenizer(prompt, return_tensors="pt").to(model.device)
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with torch.no_grad():
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outputs = model.generate(
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**inputs,
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max_new_tokens=max_length,
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do_sample=False,
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num_return_sequences=1,
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pad_token_id=tokenizer.pad_token_id,
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eos_token_id=tokenizer.eos_token_id,
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)
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generated_text = tokenizer.decode(outputs[0], skip_special_tokens=True)
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if "Corrected:" in generated_text:
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corrected = generated_text.split("Corrected:")[1].strip()
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else:
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corrected = generated_text.replace(prompt, "").strip()
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return corrected
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for sentence in examples:
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corrected = correct_sentence(sentence)
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print(f"Input: {sentence}")
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print(f"Output: {corrected}\n")
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# Я буду делать задание завтра.
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# Она купила три яблока.
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# Это моя лучшая подруга.
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# Мы ходили в кино вчера.
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```
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**Дисклеймер:** эта модель является инструментом для помощи в написании текстов. Ее вывод должен проверяться человеком, особенно в критически важных областях.
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