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# -*- coding: utf-8 -*-
"""Finetune.ipynb
Automatically generated by Colab.
Original file is located at
https://colab.research.google.com/drive/1b_AA5GHhblSKrQymYs_uYYDEqvqklfrV
"""
!pip install datasets transformers[torch]
!pip install evaluate
!pip install accelerate -U
from datasets import load_dataset
dataset = load_dataset("yelp_review_full")
dataset["train"][100]
from transformers import AutoTokenizer
tokenizer = AutoTokenizer.from_pretrained("bert-base-cased")
def tokenize_function(examples):
return tokenizer(examples["text"], padding="max_length", truncation=True)
tokenized_datasets = dataset.map(tokenize_function, batched=True)
small_train_dataset = tokenized_datasets["train"].shuffle(seed=42).select(range(1000))
small_eval_dataset = tokenized_datasets["test"].shuffle(seed=42).select(range(1000))
from transformers import AutoModelForSequenceClassification
model = AutoModelForSequenceClassification.from_pretrained("bert-base-cased", num_labels=5)
from transformers import TrainingArguments
training_args = TrainingArguments(output_dir="test_trainer")
import numpy as np
import evaluate
metric = evaluate.load("accuracy")
def compute_metrics(eval_pred):
logits, labels = eval_pred
predictions = np.argmax(logits, axis=-1)
return metric.compute(predictions=predictions, references=labels)
from transformers import TrainingArguments, Trainer
training_args = TrainingArguments(output_dir="test_trainer", evaluation_strategy="epoch")
trainer = Trainer(
model=model,
args=training_args,
train_dataset=small_train_dataset,
eval_dataset=small_eval_dataset,
compute_metrics=compute_metrics,
)
trainer.train()