Create train.py
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train.py
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import os
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from transformers import Trainer, TrainingArguments, AutoModelForSequenceClassification, AutoTokenizer
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from datasets import load_dataset
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import json
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# Load configuration
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with open('../config/config.json') as f:
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config = json.load(f)
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# Load dataset
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dataset = load_dataset('csv', data_files={'train': '../data/train.csv', 'validation': '../data/valid.csv'})
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# Load model and tokenizer
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model = AutoModelForSequenceClassification.from_pretrained(config['model_name'], num_labels=config['num_labels'])
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tokenizer = AutoTokenizer.from_pretrained(config['model_name'])
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# Tokenize dataset
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def tokenize_function(examples):
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return tokenizer(examples['text'], padding="max_length", truncation=True)
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tokenized_datasets = dataset.map(tokenize_function, batched=True)
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# Training arguments
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training_args = TrainingArguments(
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output_dir='./results',
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learning_rate=config['learning_rate'],
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per_device_train_batch_size=config['batch_size'],
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num_train_epochs=config['num_epochs'],
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evaluation_strategy="epoch",
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save_strategy="epoch",
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logging_dir='./logs'
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)
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trainer = Trainer(
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model=model,
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args=training_args,
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train_dataset=tokenized_datasets['train'],
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eval_dataset=tokenized_datasets['validation'],
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tokenizer=tokenizer
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)
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trainer.train()
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trainer.save_model('../model')
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