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"""Finetune.ipynb |
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Automatically generated by Colab. |
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Original file is located at |
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https://colab.research.google.com/drive/1b_AA5GHhblSKrQymYs_uYYDEqvqklfrV |
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""" |
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!pip install datasets transformers[torch] |
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!pip install evaluate |
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!pip install accelerate -U |
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from datasets import load_dataset |
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dataset = load_dataset("yelp_review_full") |
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dataset["train"][100] |
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from transformers import AutoTokenizer |
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tokenizer = AutoTokenizer.from_pretrained("bert-base-cased") |
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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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small_train_dataset = tokenized_datasets["train"].shuffle(seed=42).select(range(1000)) |
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small_eval_dataset = tokenized_datasets["test"].shuffle(seed=42).select(range(1000)) |
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from transformers import AutoModelForSequenceClassification |
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model = AutoModelForSequenceClassification.from_pretrained("bert-base-cased", num_labels=5) |
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from transformers import TrainingArguments |
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training_args = TrainingArguments(output_dir="test_trainer") |
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import numpy as np |
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import evaluate |
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metric = evaluate.load("accuracy") |
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def compute_metrics(eval_pred): |
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logits, labels = eval_pred |
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predictions = np.argmax(logits, axis=-1) |
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return metric.compute(predictions=predictions, references=labels) |
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from transformers import TrainingArguments, Trainer |
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training_args = TrainingArguments(output_dir="test_trainer", evaluation_strategy="epoch") |
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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=small_train_dataset, |
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eval_dataset=small_eval_dataset, |
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compute_metrics=compute_metrics, |
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) |
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trainer.train() |
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